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1711 Cards in this Set

  • Front
  • Back
How many human chrmosomes?
46
What percentage of newborns have chromosomal abnormalitites?
0.5%
What are the 2 most frequent numerical chromosomal abnormalities?
trisomy
monsomy
What is trisomy 21?
Down's syndrome
How palmar creases in Downs?
1
Brushfield spots on iris is found in what syndrome?
Down's
Clinodactaly (incurving) of 5th finger occurs in what syndrome?
Down's
Ventral septal defect occurs in what syndrome?
Down's
A 3rd fontanelle occurs in what syndrome?
Down's
hypotonia occurs in what syndrome?
Down's
Increased space between 1st and 2nd toes occurs in what syndrome?
Down's
Upward slant of palpebral fissures occurs in what syndrome?
Down's
Low set auricles occur in what syndrome?
Down's
What syndrome is trisomy 18?
Edward's Syndrome
Intrauterine growth retardation is characteristic of what syndrome?
trisomy18
A small mouth is characteristic of what syndrome?
trisomy 18
Rocker-bottom feet is found in what syndrome?
Edward's
Abnormal overlapping of fingers is found in what syndrome?
Edward's
A prominent occiput is found in what syndrome?
Edward's
Failure to thrive is found in what syndrome?
Edward's
Hypoplastic finger nails is found in what syndrome?
Edward's
What syndrome is Trisomy 13?
Patau's
Intrauterine growth retardation in all three parameters is found in what syndrome?
Trisomy 13
Coloboma of iris (keyhole-shaped pupil) is found in what syndrome?
Trisomy 13
Capillary hemangioma is found in what syndrome?
Trisomy 13
Polydactly is found in what syndrome?
Trisomy 13
Cleft lip and palate is found in what syndrome?
Patau's
Skin defect of skull is found in what syndrome?
Trisomy 13
Hyperconvex nails is found in what syndrome?
Trisomy 13
What is 45,x syndrome?
Turner's syndrome
What is the numeration for Turner's syndrome?
45,X
Short stature is found in what syndrome?
Turner's
Triangle face is found in what syndrome?
Turner's
Abnormal shape of ears and webbed neck is found in what syndrome?
Turner's
Broad "shield" chest is found in what syndrome?
45,X
Wide-set nipples ifs found in what syndrome?
45,X
Congenital lymphedema of hands and feet is found in what syndrome?
45,X (Turner's)
Shortened 4th and 5th metacarpals and metatarsals is found in what syndrome?
Turner's
Cubitus valgus is found in what syndrome?
Turner's
Primary amenorrhea is found in what syndrome?
Turner's
Coarctation of the aorta is found in what syndrome?
Turner's
Normal IQ is found in what syndrome?
Turner's
Infertility is found in what syndrome?
Turner's
What is the numerical designation of Klinefelter's syndrome?
47, XXY
What syndrome is 47,XXY?
Klinefelter's syndrome
Tall stature is found in what syndrome?
Klinefelter's
Post-puberty small testicles is found in what syndrome?
Klinefelter's
Gynecomastia is found in what syndrome?
Klinefelter's syndrome
Eunuchoid build is found in what syndrome?
Klinefelter's
Increased risk for mild mental retardation is found in what syndrome?
Klinefelter's
Infertility can be found in what two syndromes?
Turner's and Klinefelter's
During what week range is amniocentesis done?
14-16 weeks
During what week range is chorionic villi testing done?
9-10 weeks
What teratogenic infectious agents have the mnemonic TORCHES?
Toxoplasmosis
Other (varicella or parvovirus)
Rubella
Cytomegalovirus
HErpes/HIV
Syphilis
What anticonvulsant is known as a teratogen?
valproic acid
What anti-coagulant is known as a teratogen?
warfarin
What vitamin's derivatives are teratogens?
Vitamin A
What is the average growth in the first year?
10''
Birth length doubles, triples, or quadruples by age 13?
triples
Birth weight doubles, triples, or quadruples by end of first year?
triples
How many fonatnelles at birth?
6
What is last fontanelle to close?
anterior
Persistent primitive reflexes are the earliest markers of what?
abnormal neurological maturation
What tone predominates in a newborn?
flexor tone
What age: in prone turns head to side?
newborn
What age: automatic reflex walking?
newborn
What age: rounded spine when held sitting?
newborn
What age: hands fisted?
newborn
What age: grasp reflex?
newborn
What age: ability to fix and follow bright object?
newborn
What age: turning head to rattle or voice?
newborn
What age: cry?
newborn
What age: reflex stage?
newborn
What age: basic trust vs. basic mistrust?
newborn
What age: does not differentiate between self and mother?
newborn
What age head midline?
4 months
What age head held when pulled to sit?
4 months
What age in prone position lifts head to 90 degrees?
4 months
What age turns to supine?
4 months
What age hands mostly open?
4 months
What age hands fisted?
newborn
What age midline hand play?
4 months
What age crude palmar grasp?
4 months
What age fascinated by own face in mirror?
4 months
Whta age recognizes bottle?
4 months
What age turns to voice and bell consistently?
4 months
What age laughs and squeals?
4 months
What age responsive vocalization?
4 months
What age blows bubbles?
4 months
What age shows circular reaction, the interesting result of action motivates its repetition?
4 months
What age developing a basic sense of trust?
4 months
What age maintains sitting?
7 months
What age may lean on arms?
7 months
What age rolls to prone?
7 months
What age bears all weight, bounces when held erect?
7 months
What age cervical lordosis?
7 months
What age intermediate grasp?
7 months
What age transfers cube from hand to hand?
7 months
What age bangs objects?
7 months
What age differentiates between familiar person and stranger?
7 months
What age holds bottle?
7 months
What age looks for dropped object?
7 months
What age talks to mirror image?
7 months
What age uses single-word and double consonant vowel combinations?
7 months
What age begins to differentiate between mother and self-individuation. Sense of belonging to a central person?
5 months
What age creeps on all 4s?
10 months
What age pivots in sitting?
10 months
What age stand momentarily, cruises?
10 months
What age slight bow leg?
10 months
What age increased lumbar lordosis, acute lumbosacral angulation?
10 months
What age pincer grasp, mature thumb to index grasp?
10 months
What age bangs 2 cubes held in hands?
10 months
What age plays peek-a-boo?
10 months
What age finger feeds?
10 months
What age chews with rotary movement?
10 months
What age shouts for attention?
10 months
What age initiates speech sounds?
10 months
What age waves bye-bye?
10 months
What age uses "mama" and "dada" with meaning?
10 months
What age inhibits behavior to "no?"
10 months
What age can retrieve an object hidden from view?
10 months
What age practicing phase of separation-individuation?
10 months
What age walks alone, arms in high guard or mid-guard?
14 months
What age wide-base, excessive knee and hip flexion?
14 months
What age foot contact on entire side?
14 months
What age slight valgus of knees and feet?
14 months
Whta age pelvic tilt and rotation?
14 months
What age piles 2 cubes?
14 months
What age scibbles spontaneously?
14 months
What age holds crayons full length in palm?
14 months
What age casts objects?
14 months
What age uses spoon with over pronation and spilling?
14 months
What age removes a garment?
14 months
What age uses single words and understands simple commands?
14 months
What age differentiates available behaviors patterns for new ends, i.e. pulls rug on which is a toy
14 months
What age is rapprochement phase - individuation and ambivalence to mother?
14 months
What age is stage of autonomy vs. shame and doubt?
14 months
What age is pleasure in control of muscle and sphincter?
14 months
What age arms at low guard?
18 months
What age mature supporting base and heel strike?
18 months
What age seats self in chair?
18 months
What age walks backwards?
18 months
What age emerging hand dominance?
18 months
What age crude release?
18 months
What age holds crayon butt end in palm?
18 months
What age dumps raisin from bottle spontaneously?
18 months
What age initiates housework?
18 months
What age carries, hugs doll?
18 months
What age drinks from cup neatly?
18 months
What age points to named body part?
18 months
What age identifies 1 picture?
18 months
What age says "no"
18 months
What age uses jargon?
18 months
What age capable of insight?
18 months
What age capable of problem solving by mental combinations?
18 months
What age begins running?
2 years
What age walks up and down stairs alone?
2 years
What age jumps on both feet in place?
2 years
What age hand dominance is usual?
2 years
What age build 8-cube tower?
2 years
What age initiates vertical line?
2 years
What age places pencil shaft between thumb and fingers?
2 years
What age draws with arm and wrist action?
2 years
What age pulls on garment?
2 years
What age uses spoon well?
2 years
What age opens door turning knob?
2 years
What age feeds doll with bottle or spoon?
2 years
What age toilet training usually begun?
2 years
What age two-word phrases are common?
2 years
What age uses verbs?
2 years
What age refers to self by name?
2 years
What age uses me, mine?
2 years
What age follows simple directions?
2 years
What age able to evoke and obect or event not present?
2 years
What age object performance established?
2 years
What age comprehends symbols?
2 years
What age runs well?
3 years
What age pedals tricycle?
3 years
What age broad jumps?
3 years
What age walks up stairs alternating feet?
3 years
What age imitates 3-cube bridge?
3 years
What age copies circles?
3 years
What age uses overhand throw with anteroposterior arm and motion?
3 years
What age catches with extended arms hugging against body?
3 years
What age most children toilet trained day and night?
3 years
What age pours from pitcher?
3 years
What age unbutton; washes and dries hands and face?
3 years
What age parallel play?
3 years
What age can take turns?
3 years
What age can be reasoned with?
3 years
What age three word sentences are usual?
3 years
What age uses future tense?
3 years
What age asks who, what, where?
3 years
What age folows prepositional commands?
3 years
What age gives full name?
3 years
What age may stutter, eager?
3 years
What age identifies sex of self?
3 years
What age recognizes 3 colors?
3 years
What age capable of deferred limitation symbolic play?
3 years
What age drawing of graphic images, mental images, and verbal evocation of event?
3 years
What age range is the preoperation period?
2-7 years
What age range stage of initiative vs. guilt?
3-5
What age deals with issue of genital sexuality?
3 years
What age walks down stairs alternating feet?
4 years
What age hops on 1 foot?
4 years
What age plantar arches developing?
4 years
What age sits up from supine without rotating?
4 years
What age handles a pencil by a finger and wrist action, like adults?
4 years
What age copies a cross?
4 years
What age draws a frog-like person with head and extremities?
4 years
What age throws underhand?
4 years
What age cuts with scissors?
4 years
What age cooperative play-sharing and interacting?
4 years
What age imaginative make-believe play?
4 years
What age dresses and undresses with supervision distinguishing front and back of clothing, and buttoning?
4 years
What age buttons clothing?
4 years
What age does simple errands outside of home?
4 years
What age gives connected account of experience?
4 years
What age asks why, when, how?
4 years
What age uses past tense, adjectives, and adverbs?
4 years
What age knows opposite analogies?
4 years
What age repeats 4 digits?
4 years
What age skips, tiptoes?
5 years
What age balances 10-seconds on each foot?
5 years
What age hand dominance expected?
5 years
What age draws man with head, body, and extremities?
5 years
What age throws with diagonal arm and body rotation?
5 years
What age catches with hand?
5 years
What age creative play?
5 years
What age competitive team play?
5 years
What age uses fork for stabbing food?
5 years
What age brushes teeth?
5 years
What age self-sufficient in toileting?
5 years
What age dresses without supervision except tying shoelaces?
5 years
What age fluent speech?
5 years
What age misarticulation of some sounds may persist?
5 years
What age gives name, age, and address?
5 years
What age defines concrete nouns-classification and use?
5 years
What age follows 3 part commands?
5 years
What age number concept to 10?
5 years
What is the age range of industry vs. inferiority?
5-adolescence
What age adjusts to the inorganic laws of the tool world?
5 years
What age rides bicycle?
6 years
What age roller skates?
6 years
What age prints alphabet?
6 years
What age letter reversals still acceptable?
6 years
What age mature catch and throw of ball?
6 years
What age teacher is important authority?
6 years
What age uses fork appropriately?
6 years
What age uses knife for spreading?
6 years
What age uses knife for spreading?
6 years
What age plays table games?
6 years
What age shows mastery of grammar?
6 years
What age uses proper articulation?
6 years
What age eats with fork and knife ?
7 years
What age combs hair?
7 years
What age is responsible for grooming?
7 years
What age range capable of concrete operational thought?
7-adolescence?
What age capable of logical thought?
7 years
During what trimester do congenitial limb deficiencies occur?
1st trimester
On what day of gestation does mesodermal formation of the limb occur?
day 26
What are 2 risk factors for congenital limb deficiency?
thalidomide
maternal diabetes
What is the preferred classification system for pediatric limb deficiencies?
International Society for Prosthetics and Orthotics (ISPO)
ISPO classifies limb deficiencies in what two ways?
transverse or longitudinal
What limb deficiency classification has a distal portion?
longitudinal
What limb deficiency has not distal limb portion?
transverse
Longitudinal deficiencies are named after what?
the bone that is affected
Transverse deficiencies are named after what?
the segment beyond which there is no skeletal portion
What is amelia?
absence of limb
What is absence of limb?
amelia
What is meromelia?
partial absence of limb
What is partial absence of limb?
meromelia
What is hemimelia?
absence of half of a limb
What is absence of half of a limb?
hemimelia
What is phocomelia?
flipper-like appendage attached to trunk
What is a flipper-like appendage attached to trunk?
phocomelia
What is acheiria?
missing hand or foot
What is a missing hand or foot?
acheria
What is adactyly
absent metacarpal or metatarsal
What is an absent metacarpal or metatarsal?
adactyly
What is aphalangia?
absent finger or toe
What is in an absent finger or toe?
aphalangia
What is the name of the classification that descirbes deficiencies as either terminal or intercalary?
Frantz
What is an upper extremity amelia in the ISPO system?
transverse upper arm, total
What is a fibula hemimelia in the ISPO system?
longitutinal fibular deficiency
What is an upper extremtiy phocomelia in the ISPO system?
longitudinal total humerus, ulna; carpal, metacarpal, phalangeal
What is a transverse upper arm, total in the classic classification?
upper extremity amelia
What is a longitudinal fibular deficiency in the classic classification?
fibula hemimelia
What is the incidence of congenital upper extremity deficiency?
4.1 per 10,000 live births
What are the 3 limb deficiencies that do have heriditary implications?
*deficiencies of hand and feet
*central ray deficiencies
*adactyly involving the first 4 digits with the 5th intact
What is the TAR syndrome?
Thrombocytopenia with Absence of Radius
What is Fanconi's syndrome?
UE limb deficiency and anemia and leukopenia developing at 5-6 years of age
What is Holt-Oram Syndrome?
congenital heart disease, tetralogy of Fallot and UE limb deficieny
What syndrome is Thrombocytopenia with Absence of Radius
TAR syndrome
What syndrome is UE limb deficiency and anemia and leukopenia developing at 5-6 years of age?
Fanconi's syndrome
What syndrome is UE limb deficiency, congenital heart disease, ASD, and tetralogy of Fallot?
Holt-Oram Syndrome
What is Baller-Gerold Syndrome?
UE limb deficiency and craniosynostosis
What syndrome is UE limb deficiency and craniosynostosis?
Baller-Gerold Syndrome
What is VACTERL syndrome?
Vertebral defects
Anal atresia
Cardiac defects
Tracheo-Esophogeal fistula
Renal dysplasia
Limb deficiency
What is the most common congential limb deficiency?
left terminal transradial deficiency
At what developmental milestone and approx. month age range is the first fitting for a prosthetic in a child with a left terminal transradial deficiency?
sitting balance
6-7 months
What is the initial prosthesis in a left terminal transradial prosthesis?
passive mit
At what month age range is the child provided with an improved prosthesis for a terminal transradial?
11-13 months
What are the 3 developmental milestones for an improved prosthesis in a terminal transradial?
walking
grasping
5 minute attention span
What are 2 design features of an initial transradial prosthesis?
*self suspending
*supracondylar socket
By what age range can a child operate all types of prosthetic components and controls?
4-5 years old
What are the two indications for the krukenberg procedure?
absent hand
visual impairment
What procedure separates the ulna and radius in the forearm in a child with a missing hand?
Krukenberg procedure
The Krukenberg procedure is used primarily for unilateral or bilateral missing hands?
bilateral
What are the 2 possible suspensions for a transhumeral deficiency?
harness
silicone suction
What is the developmental milestone for addition of active terminal devices in a transhumeral deficiency?
walking
At what age range can a child use a body-powered hook?
2-3 years old
What what age range can a child use a body-powered elbow?
4-5 years
An infant will have greater difficulty rolling over with a transradial or transhumeral prosthesis?
transhumeral
Amputation revision is required in what percentage of UE limb deficiencies?
10%
What procedure attaches a toe to the residual limb?
Vilke procedure
What is the most common lower extremity deficiency?
fibular longitudinal deficiency (fibular hemimelia)
What is the percentage of fibular longitudinal deficiency that is bilateral?
25%
What amputation is performed with a severe leg-length discrepency caused by a unilateral fibular longitudinal deficiency?
Syme's amputation (ankle disarticulation with attachement of the distal heal pad to the end of the tibia)
What is the incidence of longitudinal deficiency of the tibia?
1 in 1,000,000 births
What is the treatment of choice for a longitudinal deficiency of the tibia?
knee disarticulation
What is the inheritance pattern of a partial tibial deficiency?
autosomal dominant
What percentage of partial tibial deficiency is herditary?
30%
What proceudure is done if there is a long tibial segment remaining in a partial tibial deficiency?
synostosis with the fibular and amputation of the foot
What is PFFD?
partial proximal femoral focal deficiency
What is the incidence of PFFD?
1 in 50,000 births
What is the postion the PFFD is held in ?
flexion, external rotation, and abduction
What is the Van Ness rotation?
rotating the foot 180 degress so ankle motion can control the prosthesis
What condition is an indication for the Van Ness Rotation?
Partial proximal femoral focal deficiency
At what developmental milestone is a child fitted with a LE prosthesis? month age range?
pull up to standing; 9-10 months
What age is normal heel-to-toe gait?
2 years old
At what developmental milestone can a child attain prosthetic heel-strike to toe-off gait? approx age?
one-legged standing; 5 years old
At what age (months) is a knee joint added to a prosthesis in a child with partial proximal femoral focal deficiency?
18 months
What is the most commonly prescribed foot for the child amputee?
solid ankle cushion heel
For what age group is a fluid controlled knee reserved?
adolescents
What two knees are used for childhood prosthetics?
single axis
polycentric
At what age is a suction socket prescribed?
5 years old
What a complication of a patellar tendon-bearing prosthesis in a child?
dislocated patella
What type of prosthesis and cuff are used for a child BKA?
patellar tendon-bearing prosthesis with a supracondylar cuff
What is a sign of an ill-fitting prosthesis in a child?
gait deviation
How often is a prosthesis replaced ages 1-5?
annually
How often is a prosthesis replaced in ages 5-12?
every 2 years
What is the most common cause of pediatric amputations?
trauma
What percentage of pediatric amputations are lower limb?
60%
What is the most frequent cause of disease-related amputation in children?
tumors
What are the two most common tumors causing amputation in children?
*Ewing's sarcoma
*osteogenic sarcoma
What complication of fracture non-union can cause pediatric amputations?
neurofibromatosis
Why is a joint disarticulation preferred over a trans-metaphyseal or a trans-diaphyseal ampution?
to preserve the epiphyseal growth plate
What is the most common complication after amputation in the immature child?
terminal overgrowth at the transected end
Terminal overgrowth as a complication after pediatric amputation occurs most frequently on what 4 bones in order of frequency?
humerus, fibula, tibia, femur
How do amputees preserve their energy expenditure?
decreasing walking speed
What is the youngest age to use a power wheelchair?
3 years old
What is the traditional age range for use of a power wheel chair?
5-6 years old
Do congenital limb-deficient children develop phantom pain or sensation?
no
Do children with congenital limb deficiencies who undergo conversion to surgical amputation of the limb experience phantom pain or sensation?
no
What condition is characterized by adduction of the forefoot on the hindfoot, with the heel in normal position or slightly valgus?
metatarsus varus
What is metatarus varus?
What condition is characterized by adduction of the forefoot on the hindfoot, with the heel in normal position or slightly valgus
What is the cause of metatarsus varus?
uterine positioning
By what age range have most cases of metatarsus varus resolved?
3-4
What are the 3 associated deformities of club foot?
*plantar flexion
*heel varus
*forefoot varus
What is the incidence of club foot?
1 per 1,000
What is talipes equinovarus?
club foot
What is the treatment of a rigid metatarsus varus?
splinting
What is the deformity of talipes calcaneovalgus?
foot eversion
ankle dorsiflexion
Is flat foot normal in infants?
yes
Cavus foot is associated with what 3 neurologic conditions?
poliomyelitis
Charcot-Marie-Tooth
Friederich's ataxia
Poliomyelitis, Charcot-Marie-Tooth, and Friederich's ataxia are associated with foot condition?
cavus foot
What is cavus foot?
high longitudinal arch
What condition is usually seen in disorders of motor weakness such as CMT or pes cavus foot deformity?
claw toes
What is bow leg?
genu varum
What is the postion of claw toes?
metatarsophalangeal joints are hyperextended and interphalangeal joints are flexed
Infants generally have genu varus or genu valgus?
genu varum (bow leg)
By 12-18 months infants are genu varus or genu valgus?
genu valgus
What is Blount's disease?
tibia vara
Where is the abnormality causing tibia vara?
medial portion of the proximal tibial growth plate
What is tibia vara called?
Blount's disease
What is the most common cause of leg bowing in the young child?
Blount's disease (tibia vara)
In what subset of children is tibia vara most common?
obese children who walk at 9-10 months
What is the most common racial group for tibia vara?
African-American
What is the treatment of Blount's disease?
osteotomy of proximal tibia and fibula
What are the 3 conditions of developmental dysplasia of the hip?
hip subluxation
hip dislocation
acetabular dysplasia
When is hip dislocation diagnosed?
birth
Hip dislocation is more common in what type of delivery?
breech
What is the incidence of hip dislocation?
1 per 1,000 birth
Hip dislocation is more common in males or females?
females
If the mother had a history of dislocated hip, the risk to the baby is increased to what ratio if breech?
1 in 15
If the mother had a history of dislocated hip, the risk to the baby is increased to what ratio if nonbreech?
1 in 25
What two conditions have an increased incidence of hip dysplasia at birth?
metatarsus adductus
torticollis
Metatarsus adductus and torticollis predispose to what other congenital disorder?
hip dysplasia
What are the 2 names of the test for hip dysplasia at birth?
Galeazzi or Allis test
With knees and hips flexed a lower level of the flexed knee indicates what condition?
hip dysplasia
With knees and hips flexed a lower level of the flexed knee indicates what condition much less common than hip dysplasia?
congenital short femur
What two tests are conducted for congenital instability of the hips?
Barlow and Ortolani tests
What imaging study is now done in conjunction with the Barlow or Ortolani test for congenital hip instability?
ultrasound
What test is used to determine if a dislocated hip can be readily dislocated?
Barlow test
What is the purpose of the Barlow test?
To determine if a dislocated hip can be readily dislocated
What is the purpose of the Ortolani test?
To determine if a dislocated hip can be readily reduced
If a hip remains dislocated for several weeks what hip ROM may become limited on the affected side?
hip abduction
What is the sign of a positive Ortolani test?
palpable "clunk" as the hip reduces
What are the 2 treatments for hip instability?
Pavlik harness or hip spica cast
The Pavlik harness or hip spica cast maintain hip reduction in what degree range of flexion?
90-120 degrees of hip flexion
What position and degree range does the pavlik harness or hip spica cast maintain the hip in?
90-120 degrees of flexion
How long are the pavlik harness or hip spica cast used to treat hip instabiility?
3-4 months
What is a complication of forced hip abduction in the brace or pavlik harness?
avascular necrosis of the hip
What is a ROM precaution of the pavlik harness or hip spica cast?
no forced abduction
What other range of motion is limited by the pavlik harness or hip spica cast?
adduction
What is the incidence of congenital tortecollis?
1 in 250
What side, right or left, comprises 75% of congenital torticollis?
right side
What is the olive sign?
a soft nontender enlargement in the sternocleidomastoid
What does the "olive" sign represent?
congenital torticollis
At what month range does congenital torticollis subside?
4-6 months
What is plagicephaly?
orbital assymetry
What 4 secondary deformities can occur with congenital torticollis?
*flattening of the ipsilateral face
*contralateral occipital flattening
*orbital asymmetry
*ipsilateral hip dysplasia
What are 3 differential diagnoses for congenital torticollis?
*muscular fibrosis
*cervical hemivertebra
*atlantoaxial rotary subluxation
In right torticollis what direction is the head tilted?
right shoulder
In right torticollis what direction is the chin rotated to?
left
In left torticollis what direction is the head tilted?
left shoulder
In left torticollis what direction is the chin rotated to?
right
What is the most common cause of congenital torticollis?
sternocleidomastoid fibrosis
Sternocleidomastoid fibroisis is the most common cause of what congenital disorder?
congenital torticollis
The SCM is enlarged or smaller on the side toward which the head is laterally tilted?
enlarged on the side toward which the head is tilted
What condition can result from a cervical hemivertabrae?
congenital cervical scoliosis
X-rays of congential torticollis reveal rotation of what two vertabrae?
C1-C2
What is the mainstay treatment of congenital torticollis?
stretching
On what side of the crib is a mobile put for an infant with right torticollis?
right of the crib
On what side of the crib is a mobile put for an infant with left torticollis?
left of the crib
Failure to regain full cervical ROM in congenital torticollis will lead to what complication?
persistent facial assymetry
Surgery is performed most successfully in congenital torticollis if the child is less than what age?
12
What is the finding in subluxation of the radial head (nursemaid's elbow)?
the radial head and neck are displaced distal to the annular ligament
What two motions reduces a subluxation of the radial head?
supination and extension of the forearm
Is the xray normal in subluxation of the radial head?
yes
What is little leaguer's elbow?
medial epicondylitis
What is the cause of medial epicondylitis?
repetitive stress on the apophysis of the medial humeral epicondyle ossification center
What is the stress vector causing medial epicondylitis?
valgus stress on the elbow
What is Osgood-Schatter's disease?
traction apophysitis of the anterior tibial tubercle
What is a traction apophysitis of the anterior tibial tubercle?
Osgood Schlatter's disease
Where is the knee pain in Osgood-Schlatter's, anterior or posterior knee?
anterior knee
What is the pathology of Osgood-Schlatter's disease?
inflammation/microfractures of the apophyseal cartilage between the tibial tubercle and the secondary ossification center of the tibial tuberosity where the patella tendon attaches
Where is the tenderness in Osgood-Schlatter's disease?
directly over the tibial tubercle
What are the 2 activity restrictions for Osgood-Schlatter's disease?
no deep knee bending
no knee flexion
What is the most common cause of limping and pain in the hip of children?
transient toxic synovitis of the hip
What are two other causes of nontraumatic hip pain in children?
*Avascular necrosis of the proximal femur (Legg-Calve-Perthes disease)
*Epiphyiolysis (slipped captial femoral epiphyisis (SCFE)
What is the most common hip disorder of preadolescent and adolescent children?
Slipped Capital Femoral Epiphysis (SCFE)
What is a risk factor for SCFE?
obesity
In what gender is SCFE more common?
boys
In what gender is Legg-Calve-Perthes more common?
boys
What is the incidence of nontraumatic hip pain in children?
1 in 750
What ROM is limited in acute transient toxic synovitis?
limited hip internal rotation
How long does acute transient toxic synovitis take to resolve?
3-5 days
What is the xray finding in acute transient toxic synovitis?
normal
What is the age range for acute transient toxic synovitis?
3-6 years old
What gender is affected more frequently in acute transient toxic synovitis?
boys
Where is the pain in Legg Calves Perthes?
groin with radiation to anterior thigh
What 3 hip ROMs are limited in Legg Calves Perthes?
internal rotation
extension
abduction
What are 2 xray finding in Legg Calves Perthes?
*small ossified femoral head
*widening of hip joint space
What are 2 risk factors of SCFE?
*obesity
*delayed secondary sex characteristics
What is the resting position of the hip apparent in SCFE?
external rotation
What are 2 hip ROM limitations in SCFE?
internal rotation
abduction
What are 2 xray findings in SCFE?
*growth plate wider and irregular
*narrow epiphysis
What is the preferred treatment for SCFE?
surgical pinning
What is the age range for SCFE?
9-15 years old
In what what racial group is SCFE more common?
blacs
In what gender is SCFE more common?
boys
What is the prognosis in SCFE?
variable
What are two criteria for a good prognosis in Legg Calve Perthes disease?
*< 6 years old
< 50% femoral head involvement
Involvement of what part of the femoral head indicates a poorer prognosis in Legg Calve Perthes?
lateral femoral head
What percent of children have a second episode of acute transient toxic synovitis?
<10%
What is the inheritence pattern of idiopathic scoliosis?
autosomal dominant
When is the most common onset of idiopathic scoliosis?
adolescence
What is the curve pattern in idiopathic infantile scoliosis?
left thoracolumbar
What is the curve pattern in idiopathic juvenile scoliosis?
right thoracic or double curve
What is the curve pattern in idiopathic adolescent scoliosis?
right thoracic
What is the male:female ratio in adolescent scoliosis?
1:1
Whose scoliosis worsens more commonly, males or females?
females, 8-10x more frequently
30% of infants with congenital scoliosis may have one of what 2 other congenital deformities?
*unilateral renal agenisis
*spinal cord abnormality
Congenital scoliosis is an additional finding in what acronym syndrome?
VATER
Acquired scoliosis is most commonly seen in what 4 congenital disorders?
cerebral palsy
spinal bifida
muscular dystrophy
spinal muscular atrophy
Scoliosis is uncommon in children with who are able to do what activity?
walk
In what form of cerebral palsy is acquired scoliosis most common?
spastic quadreplegia
What two activities is a spastic quadraplegic CP patient with acquired scoliosis unable to perform?
stand or walk
At what progression milestone in Duchenne's muscular dystophy is acquired scoliosis more common?
When the child becomes wheelchair bound
Acquired scoliosis is very common in children with spina bifida who do not have neurologic function below what level?
Thoracolumbar level
What is the Adams's test? What is a positive test?
a forward bending test; positive if there is a prominence on the posterior trunk corresponding to the convex side
What xray view is used to measure a cobb angle?
PA
To measure the cobb angle a straight line is drawn along the superior endplate of what vertabrae?
most tilted cephalad vertabrae
To measure the cobb angle a straight line is drawn along the inferior endplate of what vertabrae?
most tilted inferior caudal vertabrae
At what degree of angulation curve range do pulmonary function test abnormalities appear in scoliosis?
50-60%
What is the most common pulmonary function test abnormality in scoliosis?
decreased vital capacity
There is a decreased sized hemithorax on the concave or convex side of scoliosis?
convex side
What idiopathic scoliosis degree range requires bracing?
20-40 degrees
What neuromuscular scoliosis degree range requires surgery?
20-40 degrees
Surgery is indicated in cerebral palsy scoliosis at what degree?
60 degrees
What is the radiographic criterion for Scheurmann's disease?
3 consecutive vertabrae are wedged >5 degrees
Whta is the preferrred brace for Scheurmann's disease?
TLSO
What are two other x-ray findings in Scheurmann's disease?
*Schmorl's nodes
*irregular endplates
What is the presenting symptom in spondylolisthesis?
painful lumbar flexion
What form of spondylolisthesis is most common in adults?
degenerative
What is the most common level for pediatric spondylolisthesis?
L5-S1
What are the two most frequent types of spondylolisthesis in children?
dysplastic
isthmic
What is the most common type of pediatric spondylolisthesis?
isthmic
Isthmic spondylolisthesis occurs at the site of a previous what?
pars spondylolysis
What type of spondylolisthesis is associated with severe neurologic deficits?
dysplastic
What is the defect in dysplastic spondylolisthesis?
lengthening of lamina
Spondylolisthesis is more common in males or females?
males
Spondylolisthesis progresses more commonly in males or females?
females
How much more common (multiple range) is spondylolisthesis is males than females?
2-4x
In children with spondylolisthesis what percentage slippage requires fusion?
>50%
What type of spondylolisthesis is more likely to cause compression on the cauda equina?
dysplastic
What is the most common type of connective tissue disease in children?"
juvenile rheumatoid arthritis
What are the two diagnostic criteria of juvenile rheumatoid arthritis?
arthritis >6 weeks
onset<16 years old
What are the 5 types of juvenile arthritis?
*polyarticular RF negative
*polyarticular RF positive
*pauciarticular Type 1
*pauciarticular Type 2
*Systemic onset juvenile arthritis
What is the most common subtype of juvenile arthritis?
pauciarticular type 1 (early onset) 30% of all children with JRA
What are the two diagnostic criteria for polyarticular JRA?
5 or more joints involved in
first 6 months
What percentage of all JRA is polyarticular RF negative?
25%
Polyarticular JRA is more common in boys or girls?
girls
What is the main complaint in polyarticular RF negative?
stiffness
What joint is involved in 50% of children with polyarticular JRA?
hip
Hip involvement is common in what subtype of polyarticular JRA?
RF negative
What is the hip pathology causing late disability in children with polyarticular RF negative?
erosion of the femoral head
Polyarticular RF positive is symmetric or asymmetric?
symmetric
What is the minimum age of onset for polyarticular RF positive?
11 years old
What are two findings other than symmetric involvement in RF positive polyarticular RF positive?
subcutaneous nodules
erosions
What is the most common type of JRA?
pauciarticular
What is the maximum number of joints affected in pauciarticular JRA?
4
What are the two subtypes of pauciarticular JRA?
Type 1 early onset
Type 2 late onset
Pauciarticular Type 1 is more common in boys or girls?
girls
What is the maximum age of onset for pauciarticular type 1?
4 years old
Pauciarticular type 1 accounts for what percentage of all children with JRA?
30%
What is the primary ocular complication in pauciarticular type 1?
iridocyclitis
What is the demographic (gender and age range) of pauciarticular JRA type 2?
boys 9-10 years old
With what haplotype is pauciarticular type 2 associated in 90% of cases?
HLA-B27
What is a late complication of pauciarticular type 2 with HLA-B27 positive?
ankylosing spondylitis
What is Still's disease?
systemic-onset JRA
What is the least common form of JRA?
systemic-onset JRA
Large or small joints are most often involved with Still's disease?
small joints
What are 3 constitutional symtoms of Still's disease?
*spiking fevers
*rash
*hepatosplenomegaly
What is a cardiac complication of Still's disease
pericarditis
In systemic-onset JRA what symptoms can precede arthritis?
systemic symptoms i.e.
acute spiking fevers
hepatosplenomegaly
lymphadenopathy
myalgia
fatigue
pericarditis
What JRA involves the SI joint?
pauciarticular type II (i.e. HLA-B27)
What percentage of Iridocyclitis in pauciarticular type 1 is chronic?
50% chronic
What percentage range of Iridocyclitis in pauciarticular type 2 is acute?
10-20% acute
What is the only JRA that is RA positive?
polyarticular RF positive
What 2 JRAs are ANA negative?
pauciarticular type 2 and systemic-onset (Still's Disease)
Whta 3 JRA can have a positive ANA?
polyarticular RF neg
polyarticular RF pos
pauciarticular type 1
What JRA has the highest likelihood of ANA positive?
polyarticular RF pos
What JRA has the highest likelihood of an ultimate morbidity of severe arthritis?
polyarticular RF pos
What is the HLA of polyarticular RF pos?
HLA DR4
What JRA has a risk of vision loss?
pauciarticular type 1
Systemic features of RA are more common in adults or children?
children
What is the only JRA that is predominately males?
pauciarticular type 2
Large joint are invovled more frequently with children of adults with RA?
children
What is the wrist deviation of children with JRA?
ulnar deviation at the wrist
What wrist loss of ROM is present with JRA?
loss of wrist extension
What is the finger deviation of of children with JRA?
radial deviation of the fingers
At what joint does radial deviation of the fingers occur in children with JRA?
MCP
What is finger deformity in children with JRA?
finger flexion
What is more common in children with RA, bursitis or tenosynovitis?
tensynovitis
Rheumatoid nodule occur more frequently in adults or children with RA?
adults
The cervical spine is involved more frequently in adults or children with RA?
children
Periarticular bone demineralization is seen radiographically once what percentage of demineralazation occurs?
50%
What percentage of children improve with NSAID therapy?
50%
What are the 3 NSAIDs approved for use in children?
naproxen
ibuprofen
tolmentin
What percentage range of children receiving gold salts showed improvement?
60-70%
What are 3 side effects of gold salts?
rash
proteinuria
bone marrow suppression
What is more efficacious oral or IM gold?
IM
What anti-malarial drug is most commonly used for JRA?
hydroxychloroquine
What is the JRA remission percentage range with D-penicillamine?
60-70%
What are the two mechanisms of action of cyclosporine?
*blocks production of interleukin-2
*blocks synovial T-cells
What med is used for children with refractory JRA disease?
azothioprine
What med can reduce the use of steroids?
azothioprine
Do systemic steroids reduce symptoms or cause remission, or both?
only reduce symptoms
Reye's syndrome is more of risk with aspirin use for JRA when there is also an infection with what two viral agents?
varicella
influenza
What is a CNS complication of ibuprofen?
asceptic meningitis
What is a skin complication of naproxen?
cutanea tarda
What is a cognitive complication of indomethacin?
poor attention span
What is an ocular side effect of hydroxycholoquine?
macular degeneration
What is an immune side effect of d-penicillamine?
bone marrow suppression
Use of what medication class should be avoided with methotrexate use?
NSAIDs
NSAIDs should not be used with methotrexate because of an increased risk of what side effect?
bone marrow suppression
What is the cause of joint pain?
stretching of the joint capsule
What pediatric pain questionnaire takes into account the child's cognitive level of development?
Varni/Thompson
What is the ideal water temperature range for JRA heat treatments?
90-100 degrees F
What is the depth of heat penetration using a hot pack?
1 cm
What is the degree range and bias (flexion or extension) of wrist splinting in children with wrist RA?
15-20 degrees extension
Subluxation of the atlantoaxial joint can occur in RA with the erosion of what ligament?
transverse ligament
The erosion of the cervical spine transverse ligament can lead to the subluxation of what joint in children with RA?
atlanto-axial joint
The TMJ is involved in what percentage of children with JRA?
50%
What 2 shoulder ROMs are limited in children with JRA?
abduction and internal rotation
What shoulder ROM is limited in adults with RA?
external rotation
What percentage of the normal elbow flexion ROM is required for ADLs?
>90%
What wrist ROM is lost early in JRA?
wrist extension
What bias wrist contracture develops in children with JRA?
flexion contracture
Hyperextension (swan-neck deformity) of the PIP is more common in adults or children with RA?
adults
What deformity is the PIP hyperextension?
swan-neck
What is the Swan Neck deformity?
PIP hyperextension
What deformity is flexion at the PIP and hyperextension at the DIP?
Boutannaire's deformity
What is Boutannaire's deformity?
flexion at the PIP and hyperextension at the DIP
At what joint does radial deviation of the fingers occur?
MCP
What are the two ROM biases for hip flexion contracture in children with JRA?
internal rotation and adduction
What are the two ROM biases for hip flexion contracture in adults with RA?
external rotation and abduction
What joint is involved in 50% of children with polyarticular RF neg JRA?
hip
What degree of knee flexion minimizes intra-articular pressure?
30 degrees
What is the gait of a child with JRA with foot/ankle involvement?
flat foot gait
What part of the gait cycle is affected by MTP involvement?
push off
What joint in the foot is most commonly affected by JRA?
MTP
What ACR class has limited ability to perform ADLs?
Class IV
What fraction of children with JRA go into remission?
2/3rds
What is the percentage range of death from JRA in children?
2-4%
Involvement of what joint indicates a poor outcome?
hip
Involvement of small or large joints indicates a poor outcome?
small joints
Early or late age onset of disease in JRA indicates a poor outcome?
late
RF-positive or negative indicates a poor outcome in JRA?
RF positive
Timely or delay in treatment indicates a poor outcome in JRA?
delay in treatment
Juvenile onset seronegative spondyloarthropathies are more common in boys or girls?
boys
What are the 4 seronegative spondyloarthropathies?
*anklyosing spondylitis
*reactive arthritis (Reiter's)
*arthritis with IBS
*psoriatic arthritis
What is the haplotype associated with seronegative spondyloarthropathies?
HLA-B27
Above what age is anklyosing spondylities more common?
8 years old
What pecentage of white patients with AS are HLA-B27 positive?
90%
What percent children with AS have peripheral joint involvement?
82%
What peripheral joints are most commonly invovled in juvenile AS?
lower extremities, especially the hip
What feature of AS occurs more commons in children than adults?
enthesitis
What is enthesitis?
pain at the insertion of tendon to bone
What is pain at the insertion of tendon to bone?
enthesitis
What are 3 types of symptoms of seronegative spondyloarthropathies?
arthritis
enthesitis
tenosynovitis
What joint involvement is necessary for a diagnosis of juvenile AS?
x-ray evidence bilateral SI joint involvement
What is an indicator of poor outcome in juvenile AS?
hip involvement
What is the triad of reactive arthritis (Reiter's syndrome)?
assymetric arthritis
urethritis
conjunctivitis
Is the arthritis is Reiter's syndrome symmetric or assymetric?
assymetric
What two joint are most commonly involved in reactive (Reiter's) arthritis?
knee or ankle
What is the most common gender and age for reactive arthritis?
boys greater than 8 years old
What 5 organisms most commonly are involved with reactive arthritis?
chlamydia
salmonella
shigella
yersinia
What percentage range of children with UC or Crohn's suffer from arthritis?
10-20%
Is psoriatic arthritis symmetric or assymetric?
assymetric
What are 3 associated symptoms of psoriatic arthritis?
nail pitting
hyperkeratosis
anterior uveitis
What is associated with a poor functional outoome in psoriatic arthritis?
positive ANA
What percent of SLE begins in childhood?
20%
What is the male:female ratio of SLE?
4.5:1
How many of the 11 diagnostic criteria must be present for a diagnosis of SLE?
at least 4
What 2 rashes are diagnositic criteria of SLE?
discoid rash
malar rash
What 4 positive immunoserology tests are diagnositic criteria of SLE?
LE cells
antinative DAN antibodies
anti-SM antibodies
false positive test for syphilis
What 4 "itis"es are diagnostic criteria of SLE?
nephritis
pericarditis or pleuritis
non-erosive arthritis
encephalitis
Is the arthritis of SLE erosive or nonerosive?
nonerosive
Is positive or negative ANA a diagnoistic criterion of SLE?
positive ANA
What ulceration is a diagnostic criterion of SLE?
oral or nasal mucocutaneous ulceration
What eye condition is a diagnostic criterion of SLE?
photosensitivty
What blood disorder is a diagnostic criterion of SLE?
cytopenia
List all 11 diagnostic criteria of SLE?
discoid rash
malar rash
cytopenia
positive ANA
pericarditis or pleuritis
encephalopathy
nephritis
arthritis
positive immonserology (LE cells, false positive test for syphlis
photosensitivity
oral of nasal mucocutaneous ulceration
What fraction of children have a malar rash?
1/3
What is a malar rash?
erythematous rash over the bridge of the nose and cheeks
What is the most important of the SLE diagnostic criteria in determining outcome in children?
nephritis
What percentage of children with SLE have nephritis?
75%
Can joint deformities develop in children with SLE?
yes, nonerosive joint deformities
What 6 conditions of SLE are associated with a poor outcome?
*hematuria
*proteinura
*hypertension
*pulmonary hypertension
*chronic active disease
*biopsy-proven proliferative glomerulonephritis
What three structures are involved in juvenile dermatomyositis?
muscle
skin
subcutaneous tissues
What are 3 clinical features of juvenile dermatomyositis?
*vasculitis
*calcinosis
*no association with malignancy in childhood
What is the most common age range for juvenile dermatomyositis?
5-14 years old
What gender is more commonly affected with juvenile dermatomyositis?
girls
Weakness in juvenile dermatomyositis is proximal or distal?
proximal
What is the classic rash of juvenile dermatomyositis?
periorbital heliotropic rash
What is the EMG finding in juvenile dermatomyositis?
inflammatory myopathy
What enzymes are elevated in juvenile dermatomyositis?
muscle enzymes
What are 8 common constitutional symptoms associated with juvenile dermatomyositis?
fever
malaise
muscle tenderness
weight loss
arthritis
dyspnea
dyspahgia
EKG changes
What is the mainstay treatment of juvenile dermatomyositis?
steroids
Over what time frame is the steroid taper in juvenile dermatomyositis?
2 years
What is the purpose of physical therapy in juvenile dermatomyositis?
to prevent contractures
What is the pathological hallmark of scleroderma?
fibrosis
What is the average age of onset range for scleroderma?
8-10 years old
What is the localized from of scleroderma?
mophea
Mophea is only present in what tissue?
skin
What is CREST syndrome?
Calcinosis
Raynaud's
Esophogeal dysfunction
Sclerodactyly
Telangiectasia
What is the organism causing Lyme disease?
borrelia burgdorferi
What class of microbe is borrelia burgdorferi?
spirochete
What tick transmits borrelia burgdorferi?
deer tick
What is the name of the deer tick that transmits borrelia burgdorferi?
ixodes dammini
Erythema migrans is characeristic of what condition?
lyme disease
What is the appearance eythema migrans?
round red skin lesion with central clearing
What are 5 initial constitutional symptoms of lyme's disease?
fever, fatigue, headache, myalgia, and stiff neck
What are 3 late phase conditions of lyme's disease?
arthritis, cardiac, and neuorlogical disease
What is the cardiac condition in lyme's disease?
heart block
What percent of children develop a chronic inflammatory arthritis in lyme's disease?
10%
What are 3 antibiotics used to treat lyme's disease?
doxycylcine
amoxicillin
erythromycin
What antibiotic (and delivery method IV or p.o.) is used to treat late-stage Lyme's disease?
IV ceftriaxone
What is the age of onset of rheumatic fever?
>4 years old
What is the male:female ratio of rheumatic fever?
1:1
What 4 joints are most commonly in rheumatic fever?
knees, elbows, wrists, ankles
What are 5 associated findings in rheumatic fever/
carditis
fever
rash
chorea
nodules
Rheumatic fever is often preceded by what infection?
streptococcal infection
Diagnoisis of rheumatic fever is made by what criteria?
Jones criteria
What is the EKG change in rheumatic fever?
prolonged PR interval
What 5 conditions are considered the "major" in the Jones criteria?
carditis
polyarthritis
chorea
erythema marginatum
subcutaneous nodules
Prognosis in rheumatic fever is based on what organ involvement?
cardiac involvement
What two meds are the mainstays of rheumatic fever treatment?
salicylates
corticosteriods
Septic arthritis occurs in children under what age?
2 years old
What gender is affected more by septic arthritis?
boys
What joint is affected by the transient synovitis of 3-10 year old boys?
hip
Where is the referred pain in the transient synovitis of 3-10 year old boys?
thigh or knee
Bacterial septic arthritis accounts for what percentage of all childhood arthritis?
6.5%
Bacterial septic arthritis in children in usually monoarticular or polyarticular?
monoarticular
What are the two most common pathogens in bacterial septic arthritis?
haemopholis influenzae
staph aureus
What is the most common organism in newborn septic arthritis?
staph aureus
What is the most common organism in 2 months-2 years old septic arthrtis?
h. influenzae
What is the most common organism in the older than 2 years septic arthritis?
staph aureus
What is the most common organism causing septic arthritis in sexually active adolescents?
gonococcal disease
Hemophilias are associated with defecienies of what three factors?
factors VIII, IX, or XI (8,9,11)
On what chromosome are factors 8,9, and 11 carried?
X chromosome
Hemophilia A is a deficiency of what factor?
factor VIII
Hemophilia B is also call what?
Christmas hemophilia
Hemophilia B is a deficiency of what factor?
factor IX
Hemophilia C is a deficiency of what factor?
factor XI
Deficiency of factor VIII is what hemophilia?
A (classic)
Deficiency of factor IX is what hemophilia?
B (christmas)
Deficiency of factor XI is what hemophilia?
C
What is the hallmark sign of hemophilia?
hemarthrosis
Can hemarthrosis in hemophilia occur spontaneously?
yes
What are three symptoms of hemarthrosis?
pain, swelling, and decreased ROM
What are three joint changes associated with repeated hemarthroses?
osteoporosis
muscle atrophy
fixed, non-functional joint
What is the mainstay treatment of hemophilia A during bleeding episodes?
Factor VIII replacement
What are two local treatment during a hemophilia bleeding episode?
cold and pressure
Early treatment with factor VIII can prevent what two poor joint outcomes?
disability and deformity
Severe hemophilia is defined as factor activity less than what percentage?
<1%
Moderate hemophilia is defined as factor acitivity greater than what percentage?
>1%
Mild hemophilia is defined as factor activity greater than what percentage?
>5%
What percentage of hemophiliacs are currently infected with HIV from factor transfusions?
30%
What forms of hepatitis are transmissilble by clotting factor concentrate?
hepatitis B and C
What is Kawasaki's disease?
systemic vasculitis
What is the most common age range for Kawasaki's disease?
<4 years old
What are the 9 diagnostic criteria of Kawasaki's disease?
high fever>5 days
strawberry tongue
red, chapped lips
pharyngeal erythema
conjunctival injection
edema of hands or feet
erythema of palms or soles
truncal rash
cervical lymphadenopathy
Where are the 5 erythemas of Kawasaki's disease?
eyes (conjunctiva)
lips
tongue
throat
palms, soles
Where is the edema in Kawasaki's?
hands or feet
Greater than how long (days) must the fever last in the diagnositic criteria of Kawasaki's?
>5 days
What is the #1 cause of nonmotor vehicle deaths in children ages 1 through 4?
burns
What is the #2 cause of nonmotor vehicle death in children ages 4-14?
burns
Children younger than 4 have a higher risk of death in burns independent of what factor?
burn size
What type of injury is an important predictor of burn mortality?
inhalation injury
What type of burns is the single most common type of pediatric burn injury?
scald burn
With scald burn there is increased suspicion of what?
child abuse or neglect
What percentage of burns are a result of abuse?
8%
What is the rule of "9"s for children?
9% is taken from the legs and added to the head of a child<1 year old. For each subsequent year 1% is returned to the legs unitil age 9.
What is a partial thickness burn?
epidermis plus partial elements of the dermis
What is a full-thickness burn?
all epidermal and dermal elements
Name 2 characteristics of a full-thickness burn
anesthetic, avascular
What color is a full-thickness burn?
white
What color is a partial-thickness burn?
red (shallower) or white (deeper), depending on depth
What total body surface area is an indication for a burn hospitalization?
20%
What total body surface area in children or the elderly is an indication for burn hospitalization?
10%
What percentage full-thickness is an indication for burn hospitalization?
5%
Burns to any of what 6 areas is an indication for a burn hospitalization?
eyes, face, hands, feet, genitalia
What type of pulmonary burn is an indication for hospitalization?
inhalation
What cause of burn is an indication for hosptilization?
elecrical
Comfortable positions for burn patients promote what poor outcome?
contractures
What is the contracture preventing position for neck burns?
extension
What is the contracture preventing position for anterior axilla burns?
90 degress abduction, neutral rotation
What is the contracture preventing position for posterior axilla burns?
shoulder flexion
What is the contracture preventing position for elbow/forearm burns?
elbows extended, forearm supinated
What is the contracture preventing position for wrist burns?
15-20 degrees extension
What is the contracture preventing position for MCP burns?
70-90 degrees flexion
What is the contracture preventing position for IP burns?
full-extension
What is the contracture preventing position for palmar burns?
all joints full extension, thumb radially abducted
What is the contracture preventing position for chest burns?
straight, no lateral or anterior flexion
What is the contracture preventing position for hip burns?
extension, 10 degrees abduction, neutral rotation
What is the contracture preventing position for knee burns?
extension
What is the contracture preventing position for ankle burns?
90 degrees dorsiflexion
When is splinting initiated in the pediatric burn patient?
skin tightening
Do small children tend to lose strength or joint mobility with extended joint immobilization?
no
What type of ROM PT is recommended for children with burns, passive, active, or active assisted ROM?
active or active assisted
What burn-treatment modality can cause premature closure of epiphyseal plates?
ultrasound
What 2 modalities are used as additions to scar therapy?
fluidotherapy
paraffin
What should not be used by neck burn patients while lying supine?
pillows
Where is the most common location for decubiti in children with neck burns?
occiput
What is the most common burn-related contracture in pediatric burn patients?
axilla
What splint is used for successfully in pediatric axilla burns?
airplane splint
What is the correct splint position for dorsal hand burns?
MCP flexion 70-90 degrees, IP extension, radial abduction of thumb
What is the correct splint position for volar hand burns?
MCP/IP full extension, fingers abducted, palmar abduction of thumb
What is the correct splint position for dorsal foot burns?
ankle and toes plantar flexion
What is the correct position for sole or foot burns?
ankle dorsiflexion, toes neutral
Cancer is what number cause of death in the US?
#2
What is the most common type of cancer in children?
leukemia
In what brain fossa do 50% of pediatric brain cancers develop?
posterior
What is the second most common type of childhood cancer?
brain tumors
What location pediatric brain tumor presents with increased ICP and seizures?
supratentorial
Supratentorial brain tumors present with what 2 symptoms?
increased ICP and seizures
What location tumors present with increased ICP and cerebellar signs?
cerebellar and 4th ventricle tumors
Cerebellar and 4th ventricle tumors present with what 2 signs?
increased ICP and cerebellar signs
What are 3 symptoms of brain stem tumors?
ataxia
CN palsies
hemiparesis
In what decade is the peak incidence of Hodgkin's disease?
3 decade
What is the most common presentation of Hodgkin's disease in children?
painless cervical adenopathy
What virus MAY cause Burkitt's lymphoma?
Epstein-Barr
What 2 bones are usually affected by Burkitt's lymphoma?
facial bones
mandible
What type of cells massively proliferate in Burkitt's lymphoma?
lymphoid cells
From what 2 cell types does neuroblastoma develop?
sympathetic ganglia
adrenal medulla
What is the third most common pediatric neoplasm in children <5years old?
neuroblastoma
What age is the peak incidence of neuroblastoma?
2 years old
Presentation of a neuroblastoma in what area is associated with a poor prognosis?
abdominal area
Neuroblastoma is the third most common pediatric neoplasm in what age group?
< 5 years old
What are the 3 most common etiologies of abdominal masses in early childhood?
hydronephrosis
neuroblastoma
Wilm's tumor
Where does a Wilm's tumor orginate?
kidney
What is the most common malignant soft tissue tumor in children?
rhabdomyosarcoma
With what condition is rhabdomyosarcoma associated?
neurofibromatosis
In what two areas is rhabdomyosarcoma commonly found?
head and neck
How is rhabdomyosarcoma diagnosed?
biopsy
Metastasis to what structure is uncommon in children?
bone
What are the 2 most common bone tumors in children?
#1 osteosarcoma
#2 Ewing's sarcoma
What is the most common age range for osteosarcoma or Ewing's?
> 10 years old
What is the most common site of osteosarcoma?
distal femur
What are the 2nd and 3rd most common sites for osteosarcoma?
proximal tibia
proximal humerus
What part of long bones is the most common site for osteosarcoma?
metaphysis
Ewing's sarcoma most common occurs in what part of the bone?
diaphysis
What is the most common malignant ocular tumor?
retinoblastoma
What is the age range for >90% of retinoblastomas?
< 5 years old
What is the most common type of pediatric leukemia?
actue lymphoblastic leukemia
What is the peak age range for pediatric leukemia?
2-5 years old
What are 2 risk factors for childhood leukemia?
chromosomal abnormalities
immune deficiency
What two tumors occur commonly in the epihysis?
chondoblastoma
giant cell tumor
What 5 tumors (malignant and benign) occur in the metaphysis?
osteosarcoma
aneurysmal bone cyst
chondromyxoid fibroma
osteochondroma
unicameral bone cyst
What 2 tumors (malignant and benign) occur in the diaphysis?
Ewing's sarcoma
eosinophilic granuloma
What is the leading cause of death in childrn > 1 year old in the US?
TBI
What is the annual incidence of TBI in children (per 100,000)?
185/100,000
What is the death rate of children (per 100,000) from TBI?
10/100,000
What is the second leading cause of death in children in US?
leukemia
What is the leading and second leading cause of TBI in children?
#1 MVA
# 2 falls
After direct impact, what force is the cause of brain injury?
initial deceleration or shearing forces
Shearing forces cause what 2 types of brain injury?
diffuse axonal injury
multiple punctate hemorrhages
What injury is NOT indicative of the severity of brain injury?
skull fracture
What is a contrecoup injury?
cerebral contusion distant from point of impact
What neurological developmental issue in children may result is a greater risk of shearing injury?
incomplete myelination
Brain injury secondary to increased rotational forces is a result of what fact of the pediatric population?
relatively large head
What percentage of children who sustain a TBI also suffer other injuries?
50%
What percentage range of TBI children also have a SCI?
5-10%
What are the 2 most common etiologies of pediatric brachial plexus injuries?
trauma
obstetrical complications
What nerve roots are damaged in an upper trunk brachial plexopathy?
C5 C6
What is the mechanism of injury in an upper trunk brachial plexopathy?
sudden traction to the neck
What is an upper trunk brachial plexopathy also called?
Erb-Duchenne palsy
What is a lower trunk brachial plexopathy also called?
Klumpke paralysis
What is the mechanism of injury in Klumpke's paralysis?
violent upward pull of shoulder
What 2 nerve roots are damaged in Klumpke's paralysis?
C8 and T1
What is the most common cause of Klumpke's paralysis?
fall onto hyperabducted shoulder
What syndrome is associated with Klumpke's paralysis?
Horner's syndrome
What ganglion may be damageed in Klumpke's paralysis?
superior cervical sympathetic ganglion
What mechanism of injury is rare in Klumpke's paralysis?
obstetric
What are 2 signs of Klumpke's paralysis?
small hand muscle atrophy
claw hand deformity
In Erb's palsy shoulder adduction is caused by weakness in what two muscles?
deltoid and suprapinatus weakness
In Erb's palsy shoulder internal rotation is caused by weakness in what 2 muscles?
teres minor and infraspinatus weakness
In Erb's palsy elbow extension is caused by weakness in what 2 muscles?
bicep and brachioradialis weakness
In Erb's palsy forearm pronation is caused by weakness in what 2 muscles?
supinator and brachioradialis weakness
In Erb's palsy wrist flexion is cuased by weakness in what 2 muscles?
extensor carpi radialis longus and extensor carpi radialis brevis weakness
What is the position of the arm in Erb's palsy?
Waiter's tip
What is the position of the shoulder in Erb's palsy?
adducted and internally rotated
What is the position of the elbow in Erb's palsy?
extended
What is the position of the forearm in Erb's palsy?
prontated
What is the position of the wrist in Erb's palsy?
flexed
A GCS of what range is considered severe and the patient is comotose?
3-8
What is the GCS for a mild injury?
13-15
What is the GCS for a moderate injury?
9-12
What is a higher (less severe injury) in GCS? extension or flexion to pain stimulus?
flexion
What is the GCS for spontaneous eye opening?
4
What is the GCS for eye opening to speech?
3
What is the GCS for eye opening to pain?
2
What is the GCS for no eye opening?
1
What is the GCS for verbal response oriented?
5
What is the GCS for verbal response confused conversation (irritable cry)?
4
What is the GCS verbal response inappropriate words (cries to pain)?
3
What is the GCS verbal response incomprehensible speech (moans to pain)?
2
What is the GCS verbal response none?
1
What is the best upper limb motor response obeys commands?
6
What is the best upper limb motor response localizes pain (withdraws to touch)?
5
What is the GCS best upper limb motor response withdraws to pain?
4
What is the GCS best upper motor response flexion to pain?
3
What is the GCS best upper motor response extension to pain?
2
What is the GCS best upper motor response none?
1
What is the infant modification for GCS oriented?
coos, babbles
What is the infant modification for GCS confused conversation?
irritable cry, consolable
What is the infant modification for GCS inappropriate words?
cries to pain
What is the infant modification for GCS incomprehensible sounds?
moans to pain
What is the infant modification best upper limb motor response for obeys commands?
normal movements
What is the infant modification best upper limb motor response for localizes pain?
withdraws to touch
What deficit is more common in children than adults post TBI?
dystonia
Damage to olfactory bulb and tracts, temporal lobes, or subfrontal areas can results in what sensory deficit?
anosmia
Basilar skull fracture is associated with what CN injury?
CN VIII (vestibulocochlear)
CN VIII can be injury in what location skull fracture?
basilar skull fracture
Deficits in what 2 areas are the largest cause of disability in pediatric TBI?
cognitive and communication
Children with what psychomotor condition are more likely to suffer TBI?
hyperactive
Agitation may result from damage to what 2 brain areas?
frontal lobes
subcortical areas
Damage to frontal lobes or subcortical areas may result in what symptom?
agitation
In what timeframe (months) does the majority of improvement in IQ take place after TBI?
first 4 months
Deficits in impulse control and disinhibition can result from damage to what area?
frontal lobe
Where is ADH produced?
hypothalamus
What are 3 signs of SIADH?
decreased urinary output
hyponatremia
decreased serum osmolarity
What condition overwhelmingly affects more girls than boys post TBI?
precocious puberty
Cerebral salt wasting syndrome directly affects what function?
renal tubular function
What condition directly affects renal tubular function?
cerebral salt-wasting syndrome
Diabetes insipidus is marked by excessive or deficient production of ADH?
deficiency of ADH
Diabetes insipidus is marked by excessive or deficient water loss?
excessive water loss (hypovolemia)
What are 3 complications of prolonged intubation in pediatric TBI?
*tracheal stenosis
*tracheomalacia
*vocal cord injury
What is central autonomic dysfunction?
unexplained hyperthermia, HTN, diaphoresis, rigidity, decerebrate posturing, and tachypnea after TBI
What percent of children with TBI are affected by central autonomic dysfunction?
14%
Dysfunction of what 2 brain areas are thought to play are role in central autonomic dysfunction?
hypothalmus
brainstem
What 2 outcomes are worse in patients with central autonomic dysfunction after TBI?
cognitive and motor
Heterotopic ossification is more common after TBI in children older than what age?
11
What are three risk factors for pediatric post-TBI heterotopic ossification?
>11 years old
more severe injury
two or more extremity fractures
What joints are most commonly affected by HO post TBI?
hips, knees
Is HO associated with a good or poor outcome in pediatric TBI?
poor
What is the definition of post-traumatic epilepsy in pediatric TBI?
two or more late (1-2 weeks post injury) seizures after TBI
Is prophylaxis with anti-epileptic drugs indicated in pediatric TBI?
no
What are two causes of ventricular system enlargement after pediatric TBI?
cerebral atrophy
obstruction of CSF flow (hydrocephalus)
What percent of hospital costs in pediatric TBI is due to inpatient rehab?
47%
At 1 year what is the difference between children with minor TBI and age matched controls?
nothing
What are two indicators of poor outcome in pediatric TBI?
coma for > 90 days
profound brain injury
What has a better prognosis, anoxic or traumatic brain injury?
traumatic
What percent of children unconcious for more than 90 days eventually regain conciousness?
75%
What cause of TBI predicts a worse survival and cognitive outcome in pediatric TBI?
abused children
What is a predictor of worse outcome for children with diffuse TBI?
younger age
Is CP a progressive or non-progressive lesion?
non progressive
Up to what age can CP occur?
up to age 3
What is the leading cause of childhood disability?
CP
What is the incidence of CP per 1000 births?
2-3
What percent range of CP occurs during the prenatal period?
70-80%
What prenatal deficiency can lead to diplegia?
iodine
What prenatal ingestion can lead to quadraplegia?
organic mercury
Premature birth at less than how many weeks is a risk factor for CP?
<32 weeks
What is the most comon antecedent of CP?
prematurity
Blood vessels and capillaries in the germinal matrix in the watershed zone next to what stucture are vulnerable to hemorrhage?
lateral ventricles
In the postnatal period what type of childabuse is a risk factor for CP?
shaken baby syndrome
What is a sign of shaken baby syndrome?
retinal hemorrhage
What two toxins are a risk factor for postnatal CP?
lead
organophosphates
What congenital heart disease is a risk factor for postnatal CP?
tetralogy of fallot
Name 3 stroke syndromes with hemiplegia that are postnatal risk factors for CP?
sickle cell
AVM rupture
Congenital heart disease (tetralogy of Fallot)
What are the 4 acquired congenital infections (TORCH) that are prenatal CP risk factors?
toxoplasmosis
rubella
CMV
herpes
What are 3 maternal causes/diseases for prenatal CP?
seizures
hyperthyroidism
mental retardation
What is the most common reason for a prenatal hypoxic-ischemic injury?
idiopathic
What are three maternal risk factors of prenatal CV?
multiple pregnancies
maternal bleeding
maternal drug use
What 3 complications of full term labor/birth are perinatal CP risk factors?
placenta previa
placental abruption
meconium aspiration
What LFT abnormality is a risk for perinatal CP?
hyperbilirubinemia
What type of CP can hyperbilirubinemia cause?
athetoid
In what two brain areas is bilirubin deposited leading to athetoid CP?
CN nuclei
basal ganglia
What is the neurological damage from bilirubin called?
kernicterus
Is the bilirubin in kernicterus conjugated or unconjugated?
unconjugated
What are 3 causes of kernicterus?
Rh incompatibility
G6PD deficiency
ABO incompatability
Birth trauma to the brain usually causes what type of CP?
spastic hemiplegia
What brain infection is a risk factor for postnatal CP?
meningitis
What postnatal condition is a risk factor for CP?
anoxia causing anoxic encephalopathy
What are the three types of CP?
spastic
dyskinetic
mixed type
What is the most common type of CP?
spastic
Is spastic CP pyramidal or extrapyramidal?
pyramidal
Is dyskinetic CP pyramidal or extra-pyramidal?
extra-pyramidal
Spastic CP patients exhibit UMN or LMN symptoms?
UMN symptoms
Name 3 UMN signs or symptoms.
spasticity
hyperreflexia
babinski
What are the 5 subtypes of spastic CP?
spastic monoplegia
spastic diplegia
spastic triplegia
spastic quadraplegia
spastic hemiplegia
What is the most common type of CP?
spastic diplegia
What is the usual risk factor of those with spastic diplegia?
prematurity
What percent of all CP is spastic diplegia?
75%
Is spastic diplegia primarily UE or LE?
LE
What is the first sign of diplegia CP?
hypotonia
What type of hemorrhage is seen in diplegia CP?
intraventricular
At what gestational week age range is intraventricular hemorrhage seen in diplegia?
28-32 weeks
What are two brain MRI findings in spastic diplegia?
perventricular leukomalacia
posthemorrhagic porencephaly
Where is the pathological damage causing LE spasticity in diplegic CP?
damage to pyrimidal fibers within the internal capsule
What 3 LE muscles are most commonly affected in diplegic CP?
hip flexors
hip adductors
gastrocnemius
What are the two gait patterns seen in diplegic CP?
scissoring gait with toe walking
What are two common eye findings in diplegia?
strabismus
visual defects
What percent of diplegic CP have cognitive impairment?
30%
What percent range of diplegic CP have seizures?
20-30%
What extremities are affected in spastic triplegia?
bilateral LEs and one UE
What is the gait pattern of spastic triplegia?
scissoring with toe walking
What is a common cause of spastic quadraplegia?
difficult delivery with evidence of perinatal asphyxia
What percentage of spastic quadraplegia has a prenatal origin?
50%
What is the classic brain MRI finding in a preterm spastic quadraplegia?
periventricular leukomalacia
In spastic quadraplegia what type of posturing is seen?
opisthotonic posturing
In what percentage of spastic quadraplegia are seizures present?
50%
In spastic hemiplegia what is usually more involved, the arm or the leg?
the arm
In spastic hemiplegia is the lesion usually unilateral or bilateral?
unilateral
What is the common brain MRI finding in premature spastic hemiplegia?
periventricular leukomalacia
At what month age range is hemiparesis evident in spastic hemiplegia?
4-6 months old
What is the first sign of spastic hemiplegia?
hypotonia
What is an early sign of spastic hemiplegia?
premature preferential hand dominance
What is the average age of walking is spastic hemiplegia?
24 months
Sensory deficits in spastic hemiplegia occur on the ipsi or contralateral side?
ipsilateral side
In spastic hemiplegia, what type of motor deficits are common, gross, fine, or perceptual?
perceptual motor deficits
What are the three extrapyramidal deficits seen in dyskinetic CP?
tone
postura
coordination
What are slow, writhing movements of the extremities?
athetosis
What are abrupt, irregular jerky movements of the head and neck and extremities?
chorea
What is the combination of athetois and choreiform movements?
choreoathetoid
What movements predominate in choreathetoid?
athetoid
What is a slow rhthymic movement with tone changes generally found in the trunk and extremities?
dystonia
What is uncoordinated movements associated with nystagmus, dysmetria, and wide-based gait?
ataxia
Ataxia increases or decreases with purposeful movement?
increases with purposeful movement
In ataxia, muscle tone is normal or abnormal during sleep?
normal
What are some pseudobulbar signs?
dysarthria
dysphasia
drooling
oromotor dyskineias
Dysarthria, dysphasia, drooling, and oromotor dyskineias are examples of what kind of involvement?
pseudobulbar
What are two associations seen with sensineuronal hearing loss in dyskinetic CP?
hyperbilirubinemia and neonatal jaundice
Hyperbilirubinemia and neonatal jaundice are associcated with what complication of dyskinetic CP?
sensorineuronal hearing loss
Sensorineuronal hearing loss is seen in what type of CP?
dyskinetic CP
What is the common type of mixed CP?
spastic athetoid
What brain artery is usually involved in spastic hemiplegia CP?
middle cerebral artery
Hemisphere dominance can be switched up until what age?
6 years old
What is the most common presentation of spastic hemiplegia?
failure to use involved hand
Diplegic CP is a result of the hypoperfusion of what area?
germinal matrix of the periventricular region
What brain area involved in diplegic CP resides in the border zone between penetrating branches of the major vessels?
periventricular white matter
The periventricular white matter is traveresed by what fibers?
descending fibers of the motor cortex
In the corona radiata UE fibers are lateral or medial?
lateral
In the corona radiata LE fibers are lateral or medial?
medial
What is the main brain MRI finding in diplegic CP?
periventricular leukomalacia
A large lesion in diplegic CP will involve what extremities?
upper and lower extremities
What CP category has the highest incidence of significant disability?
spastic quadraplegia
What is the cause of hemiplegia, ischemia, focal injury, or hypoxia?
focal injury
What is the cause of diplegia, ischemia, focal injury, or hypoxia?
ischemia
What is the cause of quadraplegia, ischemia, focal injury, or hypoxia
hypoxia
What is the usual specific cause of spastic quadraplegia?
perinatal asphyxia
Where is the major injury in spastic quadraplegia?
bilateral cortical zones
What motor cortex is more severely injured in spastic quadraplegia, medial or lateral?
medial motor cortex
What percentage of spastic quadraplegics are independent in ambulation and modified ADLs?
25%
What percentage of spastic quads require assisted ambulation?
50%
What percentage of spastic quads are completely disables?
25%
What is a poor prognostic indicator in spastic quads?
muscle tone
What are two early manifestations of extensor hypertonicity in spastic quads?
opisthotonus and precocious head raising
Lower extremities in spastic quad CP develop flexor or extensor spasticity?
extensor
In what type of CP are hip dislocations and scoliosis more common?
spastic quadraplegia
Upper or lower motor neuron signs are present in all 4 extremities in spastic quad CP?
UMN
What percentage of dyskinetic CP patients walk?
50%
Most dyskinetic CP patients who walk do so after what age?
3 years old
What gaze is paralyzed in dyskinetic CP?
upward gaze
What is the muscle tone at birth of children with dyskinetic CP?
hypotonic
What sensory deficit is common in dyskinetic CP?
sensorineural deafness
Seizures are present in what percentage of dyskinetic CP?
25%
What movement disorder finding is common in dyskinetic CP?
athetosis
In what 2 types of CP is strabismus most common?
quadraplegic and diplegic
What 2 brain structures are injured in dyskinetic and mixed CP?
basal ganglia and thalamus
What is the mechanism of injury in dyskinetic CP?
diffuse anoxia resulting in hypoxia of the basal ganglia and thalamus
Where are the initial symptoms in dyskinetic CP?
involuntary movements of the hands and fingers
What is the age range in dyskinetic CP when abnormal movements are seen in all 4 extremities?
18 months - 3 years
What percentage of children with dyskinetic CP have normal intelligence?
78%
In what type of CP is the UE more invovled than the LE?
dyskinetic
What are two complications of non-ambulatory dyskinetic CP patients?
hip dysplasia and scoliosis
What is tension athetosis?
limb movement increases tone
In what type of CP is tension athetosis seen?
dyskinetic CP
What 3 pseudobulbar symptoms are seen in dyskinetic CP?
drooling
dysarthria
oromotor dyskinesias
In what type of CP are pseudobulbar symptoms seen?
dyskinetic CP
What are the DTRs in dyskinetic CP?
normal to slightly increased
Is muscle tone normal or increased during sleep in dyskinetic CP?
normal
In what type of CP is nystagmus seen?
ataxic CP
What is an eye finding in ataxic CP?
nystagmus
What are the two features of the scissoring gait pattern?
hips flexed and adducted
knees flexed with valgus
What two muscles are weak in spastic hemiplegia?
hip flexion and ankle dorsiflexion
What LE muscle is overactive in spastic hemiplegia?
posterior tibialis
Hip hiking or hip circumduction are seen in what type of CP?
spastic hemiplegia
What is the foot postion in stance phase in spastic hemiplegia?
supinated
What is the best indicator of ambulation in CP?
independent sitting by age 2
What is a poor prognostic sign in CP?
persistence of 3 or more primitive reflexes at 18-24 months
What type of CP is primarily congenital?
spastic hemiplegia
What type of CP is usually mild?
spastic monoplegia
What is the overall percentage of mental retartdation in CP?
50%
What type of CP has the highest rate of mental retardation?
spastic quadraplegia
What 2 types of CP have the lowest rate of mental retardation?
spastic hemiplegia and diplegia
What type of CP has the highest incidence of seizures?
spastic quadraplegia
What is the overall incidence of seizure in CP?
50%
What is the most common seizure type in CP?
grand mal with tonic clonic convulsions
What type of anopsia can occur in hemiplegic CP?
homonymous hemianopsia
Homonymous hemianopsia occurs in what type of CP?
spastic hemiplegia
What is the percentage rate range of strabismus in CP?
25-60%
In what two types of CP is strabismus most common?
diplegia and quadraplegia
What is the most common cause of sensory neural hearing loss in CP?
kernicterus
In what percentage of CP is sensorineural hearing loss found?
12%
What percentage of athetoids have some dysarthria?
most
What percentage of bilateral spastic CPs have dysarthria?
50%
What is a good indicator of intellectual potenital in CP?
2-3 word sentences by age 3
What are 3 causes of defective speech in CP?
*psuedobulbar palsy
*supranuclear spastic paralysis
*dyskinetic incoordination of muscles innervated by lower CNs
What pulmonary functions may be decreased in CP?
vital capacity
aerobic working capacity
What type of pulmonary disease is seen in scoliosis?
restrictive pulmonary disease
What are two GI problems seen in CP?
GERD, constipation
Oromotor problems are seen in what two types of CP?
spastic quadraplegia and dyskinetic
What is a oral side effect of phenytoin?
gingival hyperplasia
What are 4 behavioral problems seen in CP?
ADD, distractability, impulse control, hyperkinesis
What are 3 causes of sensorineural hearing loss in CP?
TORCH, kernicterus, and medications
What percentage of children with CP survive to adulthood?
90%
What are 3 factors that reduce the likelihood of independent living in CP?
mental retardation
seizures
wheelchair dependency
The Individuals with Disabilities Act mandates early intervention for those children who demonstrate developmental delays until what age?
3 years old
What school of PT is most widely used in CP?
Bobath (neurodevelopmental treatment -NDT)
What are two primary goals of Bobath (NDT)?
normalize tone
inhibit primitive reflexes
What two deformities doos an AFO control?
equinus or equinovarus
A full length foot plate discourages what ROM?
toe flexion
What kind of support discourages stimulation to a particularly reflexogenic area of the foot?
metatarsal support
Nerve or motor point blocks are used to decrease spasticity most commonly in what 3 muscles?
adductor, hamstring, and gastrocnemius
What gait pattern does a nerve or motor point block reduce?
scissoring gait
What foot deformity does a nerve or motor point block correct?
equinovarus
How long is a phenol or alcohol block effective (month range)?
3-6 months
What deformity complication can occur as a result of a tibial nerve block?
calcaneo-valgus foot
What are two expected effects of an obturator nerve block?
reduce scissored gait
reduce adductor tone
What are two expected effects of a sciatic block to the medial hamstrings (semimembranosus and semitendinosus)?
reduce crouch gait
reduce internal rotation deformities
What block is used to reduce scissoring gait and reduce adductor tone?
obturator block
What block is used to reduce crouch gait and reduce internal rotation deformities?
sciatic branch block to the semimembranosus and semitendinosus
What are two expeceted effects of tibial blocks?
reduce plantar flexion tone
improve tolerance of AFOs
What block is used to reduce plantar flexion and improve tolerance of AFOs?
tibial block
What is one expected effect of a femoral nerve block?
reduce spastic recurvatum
What block is used to reduce spastic recurvatum?
femoral nerve block
How does botulinum toxin work?
irreversibly blocks presynaptic release of ACh into the neuromuscular junction
When is the onset of botulinum toxin, in hour range?
24-72 hours
When, in weeks, is the peak effect of botulinum toxin?
2 weeks
What is a common side effect of a phenol or alcohol block?
dysesthesia
What neurosurgical procedure is used to decrease spasticity?
selective posterior rhizotomy
How does a selective posterior rhizotomy decrease spasticity?
decreases excitatory sensory input to the motor neurons
Which roots are stimulated in a selective posterior rhizotomy?
dorsal roots
What are 6 patient selection criteria for a selectvie posterior rhizotomy?
lack of dystonia or athetosis
functional strength
selective motor control
ages 3-8
lack of significant contractures
cognitive preservation
What are 5 complications of selective posterior rhizotomy?
hyptonia
weakness
bladder dysfunction
hip dislocation
lordosis
Why is hip dislocation a complication of selective posterior rhizotomy?
sparing of L1 leads to unbalanced hip flexor spasticity
Why is lordosis is complication of selective nerve rhizotomy?
sparing of L1
What two complications of selective posterior rhizotomy are temporary?
hypotonia
bladder dysfunction
What LE spasticity can be used by a CP child to stand?
extensor spasticity
What structure is exposed in a selective posterior rhizotomy?
cauda equina (through a laminectomy)
On what receptors, and where, does of baclofen act?
GABA receptors in the spinal cord
What are 3 side effects of baclofen?
weakness, fatigue, confusion
What is a precaution of baclofen?
reduces seizure threshold
What is the drug of choice to reduce spasticy in SCI and MS?
baclofen
Baclofen is the drug of choice for what 2 conditions?
SCI and MS
Where is the site of action of dantrolene?
intrafusal and extrafusal skeletal muscle fibers
What is the mode of action of dantolene?
decreases release of calcium from sarcoplastic reticulum
What is a precaution of dantrolene?
hepatotoxicity
What is the drug of choice for spasticity of cerebral origin?
dantrolene
Dantrolene is the drug of choice for spasticity of what origin?
cerebral origin
Where are the three sites of action of benzodiazepines?
brainstem
reticular formation
spinal cord
What is the mode of action of benzodiazepines?
increase GABA binding thereby increasing presynaptic inhibition
What is a precaution of benzodiazepines?
tolerance and dependence
In what 2 conditions are benzodiazepines most helpful?
incomplete SCI and immediate post op in children with CP
Is clonidine an agonist or antagonist?
agonist
Where are the three sites of action of clonidine?
brain
brain stem
substantia gelatinosa
What are 3 side effects of clonidine?
bradycardia
hypotension
depression
Where is the site of action of tizanidine?
adrenergic receptors in spine and brain
What are the 2 modes of action of clonidine?
inhibits short latency of motor neurons; augmentation of presynaptic inhibition
What is the mode of action of tizanidine?
prevents release of excitatory amino acids from presynaptic terminal of spinal interneurons
What are 3 side effects of tizanidine?
dry mouth
sedation
dizziness
What are two precautions of tizanidine?
orthostatic hypotension
hallucination
What are 4 conditions where tizanidine is helpful?
dystonia
torticollis
blepharospasm
stabismus
Where is the site of action of botulinum toxin?
presynaptically at the neuromuscular junction
What is the mode of action of botulinum toxin?
prevents release of ACh into the NMJ by binding irreversibly to the presynaptic membranes of the ACh
What are 3 side effects of botulinum toxin?
weakness
cramping
pain
What are two precautions of botulinum toxin?
antibody formation
respiratory arrest
Where is the site of action of phenol?
motor end plate of a peripheral nerve
How does phenol affect the nerve?"
denatures protein and causes axonal degeneration
What are 3 side effects of phenol?
dysesthesias
anesthesia
cardiac arrhythmia
What is one of the most common musculoskeletal complaints of adults with CP?
neck pain
Neck pain is more common in spastic or dyskinetic CP adults?
dyskinetic
What are 4 indicators of successful employment in CP patients?
*IQ>80
*ambulation with or without assistive device
*speech hard to understand to understandable
*hand use normal to requiring assistance
What are 3 indicators of unemployable CP patients?
IQ<50
nonambulatory and nonoral
requires assistance using hand
What is the stimulus for the Moro (startle) reflex?
sudden neck extension - feeling of falling
What is the Moro response?
Shoulder abduction and extension then arm flexion and adduction
At what month range is the Moro suppressed?
4-6 months
In what 2 conditions does the Moro reflex persist?
CNS pathology
static encephalopathy
What is the stimulus in the rooting reflex?
stroking around lips or mouth
What is the rooting response?
moving mouth and head toward stimulus in search of nipple
When, in months, is the rooting reflex suppressed?
4 months
What is the stimulus in the positive supporting reflex?
light pressure on plantar surface
What is the response in the positive supporting reflex?
legs extend for partial support of body weight
When is the positive supporting reflex suppressed (in months range)
3-5 months
What is the stimulus for the asymmetric tonic neck reflex?
head turning to side
What is the response of the asymmetric tonic neck reflex?
extremities extend on face side; flex on occiput side ("fencer position")
What is the age month range when the asymmetric tonic neck reflex is suppressed?
6-7 months
In what condition does the asymmetric neck reflex persist?
static encephalopathy
What are two possible stimuli in the symmetric tonic neck reflex?
neck extension
neck flexion
What is the response to the neck flexion stimulus in the symmetric tonic neck reflex?
arms flex, legs extend
What is the response to the neck extension stimulus in the symmetric tonic neck reflex?
arms extend, legs flex
At what month range is the symmetric tonic neck reflex suppressed?
6-7 months
What is the stimulus for the palmar grasp reflex?
pressure on palm or stretching finger flexors
What is the response of the palmar grasp reflex?
flexion of all fingers
At what month age range is the palmar grasp reflex suppressed?
5-6 months
In what condition is the palmar grasp reflex absent?
LMN paralysis
In what condition does the palmar grasp reflex persist?
spasticity
What is the stimulus in the plantar grasp reflex?
pressure on sole distal to the metatarsal heads
What is the response in the plantar grasp reflex?
flexion of all toes
In what condition is the plantar grasp reflex absent?
LMN paralysis
In what condition does the plantar grasp reflex persist?
spasticity
What is the stimulus in the automatic neonatal walking reflex?
vertical support plantar contact
What is the response in automatic neonatal walking reflex?
alternating automatic steps with support
When is the automatic neonatal walking reflex suppressed in month range?
3-4 months
In what condition is the automatic neonatal walking reflex absent?
LMN paralysis
What is the stimulus in the placement or placing reflex?
contact on dorsum of foot or hand
What is the response in the placement or placing reflex?
extremity flexion to place hand or foot over an obstacle
By what age (years) is the placement or placing reflex suppressed?
age 1
When is the plantar grasp reflex suppressed, in months range?
12-14 months, when walking is acheived
In what 2 conditions is the placement or placing reflex absent?
LMN paralysis and LE spasticiy
What is the stimulus in the neck righting or body derotational reflex?
neck rotation in supine position
What is the response in the neck righting or body derotational reflex?
sequential body rotation from shoulder to pelvis toward direction of face
By what age in months is the neck righting or body derotational reflex suppressed?
4 months or when replaced by volitional rolling
What is the stimulus in the tonic labyrinthine reflex?
head postion in space - strongest at 45 degrees from horizontal supine or prone
What is the response to the supine stimulus (45 degrees head) in the tonic labyrinthine reflex?
extensor tone
What is the response to the prone stimulus (45 degrees head) in the tonic labyrinthine reflex?
flexor tone
When, in month range, is the tonic labyrinthine reflex suppressed?
4-6 months
What reflex is associated with scissoring?
positive supporting
What reflex is an early sign of lower extremity spasticity?
positive supporting
What is the second most common childhood abnormality after CP?
spina bifida
What is another name for spina bifida?
myelodysplasia
What is the most common childhood disorder of the spine?
spina bifida
In what country is the incidence of spina bifida the highest?
British Isles
In what country is the incidence of spina bifida the lowest?
Japan
Is spina bifida more common in males or females?
females
What season of conception is most associated with spina bifida?
spring
What two anticonvulsants are associated with spina bifida?
valproic acid
carbemazepine
What supplement reduces the incidence of spina bifida?
folic acid
When does neurulation take place in utero?
3-4 weeks
When is the post-neurulation phase (in week range)?
4-7 weeks
On what gestation day is the neural tube defect thought to occur?
day 26
By what day is the spinal cord formed?
day 53
What 2 serum and amniotic fluid measurement are used for prenatal spina bifida diagnosis?
alpha-fetoprotein and acetylcholinesterase
What is the reliability percentage of AFP?
80%
During what week range is AFP measurement most reliable?
weeks 13-15
When is aminotic testing of AFP most accurate (week range)?
weeks 16-18
Does amniocentesis detect closed neural tube defects without leakage of CSF?
no
When (week range) is ultrasound most reliable?
weeks 16-24
What are the two major types of spina bifida?
spina bifida occulta
spina bifida cystica
What is a sign of spina bifida occulta in 50% of children with spina bifida occulta?
pigmented nevus, angioma, hirsute patch, dimple, or dermal sinus on the overlying skin
In what two spinal segments does spina bifida occulta usually occur?
lumbar and sacral
What form of spina bifida is associated with Arnold Chiari formations?
spina bifida cystica
What type of spina bifida herniates to the surface?
spinal bifida cystica
What term refers to any neural tube defect that is open the environment?
spina bifida aperta
Name 3 lesions that may be seen in spina bifida cystica
meningocele
myelomengingocele
myelocele
Is the motor paralysis seen in spina bifida cystica UMN or LMN?
LMN
What are the two spinal levels most commonly involved in spina bifida occulta?
L5 and S1
In what percentage range of the population is spina bifida occulta a normal variant?
5-10%
What are the two contents of a meningocele?
meninges
spinal fluid
What two spinal segments are most commonly affedcted by meningocele?
lumbar
sacral
In less than what percentage of spina bifida cystica does meningocele occur?
<10%
What are the neurologic signs in meningocele?
none
What are the 3 contents of a myelomeningocele?
meninges
spinal cord
spinal fluid
What is an associated finding in myelomenigocele?
arnold chiari malformation
What is a complication of the Arnold-Chiari malformation seen in over 90% of cases?
hydrocephalus
What is the most common type of spina bifida cystica?
myelomeningocele
What level range controls trunk flexion, abdominals and lower trunk extensors?
T6-12
What 3 muscle functions are controlled by T6-12?
trunk flexion
abdominals
lower trunk extensors
What type of paralysis occurs with a lesion at T6-12?
flaccid paralysis
What two spinal postions occur when a lesion is T6-12?
kyphosis
scoliosis
What is the hip and knee position when a lesion is at T6-12?
flexion
The frog leg postion occurs when the lesion is at what level range?
T6-12
What is the foot deformity when the lesion is T6-12?
equinus
Early hip dislocation occurs when the lesion is at what level range?
L1-L3
L1-L3 lesions are associated with what 2 hip contractures?
hip flexion and adduction contractures
L1-L3 lesions are associated with what knee contractures?
knee flexion contracture
Name 3 contractures associated with a lesion at L1-L3.
hip flexion
hip adduction
knee flexion
Hip flexion, hip adduction, and knee flexion contractures are associated with lesions at what spinal range?
L1-L3
At what spina bifida levels is the bowel and bladder dysfunction?
all
Iliopsoas, hip flexion, hip adduction, quadriceps, and knee extension is controlled by what range spinal levels?
L1-L3
What level range spina bifida is associated with late hip dislocation?
L4-L5
Calcaneovarus or calcaneus foot (ankles dorsiflexed) is a result of what spina bifida level range?
L4-L5
What foot deformity is associated with a L4 L5 spina bifida level?
calcaneovarus or calcaneus foot (ankles dorsiflexed)
A L4-L5 spina bifida level is associated with an early or late hip dislocation?
late
A L1-L3 spina bifida level is associated with an early or late hip dislocation?
early
What knee contracture is associated with a L4-L5 spina bifida level?
knee extension contracture
What level range spina bifida is associated with pes cavus?
S1-S2
Clawing of the toes is associated with what spina bifida level range?
S1-S4
What is an Arnold Chiari II malformation?
downward displacement of the medulla and brainstem through the foramen magnum
Through what foramen does an Arnold Chiari II malformation herniate?
forament magnum
During what week of birth does an Arnold Chiari become symptomatic?
first week
What shunt is placed for a Arnold Chiari malformation?
ventriculoperitoneal
What is the most common complication following shunt placement?
infection
What is the second most common complication following an Arnold Chiari shunt placement?
obstruction
Hydrocephalus is correlated with defects most common in what spinal segment?
thoracic
What is a peripheral joint condition associated with spina bifida?
charcot joints
What are the 3 most common symptoms of a tethered cord?
weakness, scoliosis, and pain
What two benign spinal tumors are associated with spina bifida?
lipoma
fibrolipoma
What is a tethered cord?
abnormal attachment of cord at distal end
What is associated with a saggital cleaveage of the spinal cord (diastematomyelia)?
bony spur
In what spinal segment is syringomyelia most common?
cervical spine
What type of cells line a syrinx?
glial cells
What is the imaging study of choice for a syrinx?
MRI
The frog leg postion occurs when the lesion is at what level range?
T6-12
What is the foot deformity when the lesion is T6-12?
equinus
Early hip dislocation occurs when the lesion is at what level range?
L1-L3
L1-L3 lesions are associated with what 2 hip contractures?
hip flexion and adduction contractures
L1-L3 lesions are associated with what knee contractures?
knee flexion contracture
What is the incidence percentage range of syringomyelia?
5-40%
In what spinal segement does a syrinx most commonly occur?
cervical spine
What are 6 signs/symptoms of a syrinx?
*deterioration of neurologic function
*pain
*temperature sensory deficits
*spasticity
*hyperreflexia
What is the most common single cause of death in spina bifida?
central respiratory dysfunction
What are 3 symptoms of central respiratory dysfunction in spina bifida?
stidor
central apnea
aspiration
What are 3 visual symptoms of spina bifida?
strabismus
lateral rectus palsy
nystagmus
What are 3 urinary malformations seen in spina bifida?
renal hypoplasia
horseshoe kidney
solitary kidney
Where are the 3 most common areas of skin breakdown in a non-ambulatory spina bifida patient?
sacrum
ischial tuberosities
greater trochanters
What is the most common area a skin breakdown in an ambulatory spina bifida patient?
soles of feet
What percentage of myelomeningocele patients have urinary dysfunction?
>90%
What type bladder is seen in myelomeningocele?
neurogenic
What urinary fibers are in the T10-L2 levels?
sympathetic adrenergic innervation
What urinary fibers are in the S2-4 levels?
parasympathetic cholinergic innervation
What urinary fibers are in S2-S5 leveles?
somatic innervation through the pudendal plexus
What type of bladder is seen most commonly in thoracic spinal bifida?
hypertonic (spastic) bladder
What type of bladder is seen in sacral lesions?
hypotonic (flaccid) bladder
Hypertonic (spastic bladder) is seen in lesions of what spinal segment?
thoracic
Hypotonic (flaccid) bladder is seen in lesions of what spinal segment?
sacral
Proteus urinary tract infections in spina bifida is associated with what condition?
calcinosis
Calcinosis in spina bifida is seen with what urinary tract infectious organism?
proteus
Voluntary somatic motor and sensory nerve supply to the external anal sphincter occurs via what spinal level range?
S2-4
Through what plexus do the S2-4 nerves supply voluntary somatic motor and sensory nerve supply to the external anal sphinctger?
pudendal plexus
What percentage of spina bifida children have fecal incontinence?
80%
In lesions above what level can an intact spinal reflex arc maintain sphincter tone despite absent rectal sensation?
above L2
What is the most common delayed self-care task in myelomeningocele?
independence in toileting
What 2 reflexes have been associated with a greater chance of bowel continenece?
bulbocavenosus
anocavernosus
With what function has the bulbocavernosus or anocavernosus reflex been associated?
bowel continence in spina bifida
In spina bifida increased pressure on the hypothalamus can lead to what condition?
precocious puberty
In what percentage range is precocious puberty seen in spina bifida?
10-20%
Short stature in spina bifida is a result of what hormone deficiency?
growth hormone
What is the treatment for short stature in spina bifida?
gonadotropin releasing hormone
In spina bifida, what is the relationship between IQ and level of lesion?
Inverse relationship: higher the lesion, lower the IQ
Concentration and attention deficits are to what condition in spina bifida?
hydrocephalus
Does hydrocephalus alone exclude normal cognitive function?
no
What complication of hydrocephalus can lead to cognitive deficits?
meningitis
In spina bifida, higher scores are acheived on verbal tasks, written, math, or visual motor activities?
verbal tasks
When is the cystic lesion in spina bifida usually repaired?
first day of life
By what age are nearly all shunts in spina bifida revised?
age 5
What percentage range of spina bifida patients require shunting for hydrocephalus?
75-85%
Neurogenic bladder are seen in nearly all spina bifida patients, except those with what level lesions?
very low sacral
At what residual volume should intermitttent catheterization begin?
20ml or more
Boys can become independant in self-cath by what age?
5 years old
At what age is IVP recommended in a spina bifida patient?
2 years old
What class of meds is used in spina bifida to reduce detrusor contractions?
anticholinergics
What class of meds is used in spina bifida to increase outflow resistence?
alpha adrenergic agents
In what spinal segement are most spinal deformities in spina bifida?
thoracic
What is the cause of paralytic scoliosis?
loss of truncal support
What is a possible cause of rapidly progressive scoliosis in spina bifida?
tethered cord
What are two common complications of paralytic scoliosis?
hip dislocation
pelvic obliquity
What hip condition is not treated as long as there is no restriction of ROM?
bilateral hip dislocation
What is the treatment for a gibbus deformity?
kyphectomy
Knee flexion contractures up to what degree are well tolerated in the ambulatory spina bifida patients?
up to 20 degrees
What are 3 complications of untreated unilateral hip dislocations?
pelvic obliquity
difficulty sitting
decubitii
What knee contractures are most common in thoracolumbar spina bifida patients?
flexion or extension contractures
What is the procedure performed for severe tibial torsion in spina bifida?
tibial osteotomy
What are 5 foot deformities commonly seen in spina bifida?
equinus
equinovarus
calcaneal
cavus
rocker bottom
What foot deformity is seen in upper lumbar or thoracic lesions?
rigid club foot
What procedure is performed for calcaneus foot deformity?
posterior transfer of tibialis anterior
Older than what age is a posterior transfer of tibialis anterior performed?
>5 years old
What is the surgical treatment for equinus deformity?
achilles tendon lengthening
What procedure is used to correct severe claw toe deformity and pes cavus?
flexor tenodesis or transfer and plantar fasciotomy
Flexor tenodesis or transfer and plantar fasciotomy are used to treat what two foot deformiites seen in spina bifida?
claw toe deformity and pes cavus
Achilles tendor lengthening is used to treat what spina bifida foot deformity?
equinus deformity
Posterior transfer of tibialis anterior is used to treat what spina bifida foot deformity?
calcaneus foot deformity
At what age is a bowel program started in spina bifida?
2 years old
What chemical allergy develops commonly in spina bifida patients?
latex allergy
What 2 tests are used to demostrate a latex allergy?
serum IgE antigen specific for rubber
radioallergosorbent test
What is the increased risk of anaphylaxis in the operating room for children with spina bifida (Nx)?
500x
During the first 6 months, what development is normal is spina bifida?
motor development
At what month range do development delays become obvious?
6-12 months
By what month do children with thoracic lesions roll?
18 months
What is the lowest lesion that allows trunk control?
T12
A child can sit normally if what level is spared?
L4-5
What spine segment lesions require assistive devices for passive standing?
thoracic
If what level is spared may a child with spina bifida use an AFO?
L3
When do children with low lumbar lesions walk?
2 years old
What is the gait pattern of a child with a low lumbar lesion?
trendelenburg lurch and gastrocnemius limp
What is the mental age range required to learn crutch walking?
2-3 years old
Crutch walking can be acheived in what level lesions?
low thoracic and upper lumbar lesions
By what age range can low thoracic and upper lumbar lesion spina bifida patients be expected to crutch walk?
4-5 years old
What orthotic is used for spastic plantar flexors?
AFO
What percentage range of thoracic lesions acheive functional community ambulation?
0-33%
What percentage of high lumbar lesions acheive functional community ambulation?
31%
What percentage range of low lumbar lesions acheive functional community ambulation?
38%
What percentage of sacral lesions patients acheive functional ambulation?
100%
What percentage of lumbar lesions acheive functional community ambulation by the age 31?
95%
What are two early predictors of ambulation in spina bifida?
sitting balance and motor level
What are three unfavorable predictors of ambulation in
deformities of the spine
deformities of the LEs
obesity
When is wheelchair training begun in spina bifida?
during 2nd year
By what age is referral to preschool programs mandated?
3 years old
What is the unemployment rate percentage range of patients with spina bifida?
25-50%
What is a common complication among pregnant women with spina bifida?
premature labor
What is the highest level where male sexual function is preserved?
L5
What is the incidence of spina bifida with one affected parent?
4%
What is the cause of death in 40% of spina bifida patients between 5-30 years old?
urologic causes
Are neuromuscular diseases in children primarily UMN or LMN?
LMN
What is a characterstic LE muscular finding in Duchenne's muscular dystrophy and Becker's muscular dystrophy?
pseudohypertrophy of the gastroc
What is the leg appearance of a patient with hereditary motor sensory neuropathy?
stork or champagne bottle leg appearance
In what 3 conditions is hepatosplenomegaly seen?
metabolic myopathy
acid maltase deficiency
types 3 and 4 glycogenosis
What abdominal finding is characteristic in metabolic myopathy, acid maltase deficiency and types 3 and 4 glycogenosis?
hepatosplenomegaly
What is Gower's sign?
inability to rise from sitting postion on floor normally
The inability to rise from sitting postion on floor normally is called what?
Gower's sign
What muscle group is weak in Gower's sign?
pelvic girdle muscles (proximal muscle weakness)
In Gower's sign what is weak, hip flexors or extensors?
hip extensors
Describe the myopathic gait.
hyperlordotic, waddling gait
What two muscle groups are weak in a myopathic gait?
back and hip extensors
Why is hyperlordosis the compensatory postion in a myopathic gait?
It helps position the center of gravity posterior to the hip and stabilizes the hip in extension.
What is the postion of the ankle on initial contact during stance phase of a myopathic gait?
plantar flexion
Plantar flexion in myopathic gait during mid and late stance phase allows maintenance of knee extension and knee stability and places the center of gravity anterior or posterior to the knee?
posterior to the knee
What is the gait pattern of paralytic muscle disease?
toe walking
Toe walking is characteristic of what tpe of muscular disease?
paralytic muscular disease
In Duchenne's MD, the ankle usually develops a plantar flexion or dorsiflexion contracture?
plantar flexion contracture
How much more powerful are plantar flexors than dorsiflexors?
6x
A trendelenburg gait is produced by weakness of what muscle?
hip abductor weakness (gluteus medius)
In a trendelenburg gait, the trunk is bent laterally over the stance or swing phase hip?
stance phase hip joint
A steppage gait is caused by weakness of what muscles? Leading to what ankle position?
ankle dorsiflexion weakness
plantar flexion
To clear the plantar flexed foot, in a steppage gait what is the position of the knee and hip?
hyperflexed knee and hip
Is Duchenne's x or y linked?
x linked
Where is the chromosome abnormality in Duchenne's?
Xp21
What protein is deficient in Duchenne's?
dystrophin
What % presence of dystrophin is diagnostic of Duchenne's?
<3%
What are 6 cardinal signs of Duchenne's?
waddling, lordotic gait
abnormal run
Gower's sign
inability to hop
proximal muscle weakness
calf hypertrophy
What is a cardiac condition seen in Duchenne's?
cardiomyopathy
What lab value is grossly elevated in Duchenne's?
CK
What is the EMG pattern of Duchenne's
myopathic
What are 4 presenting symptoms of Duchenne's?
delay in walking
abnormal gait
frequent falling
difficulty climbing stairs
In what muscle group is weakness first seen in Duchenne's?
neck flexors
What appears first pelvic or shoulder weakness?
pelvic weakness
In Duchenne's what is weaker, ankle dorsiflexion or plantar flexion?
dorsiflexion
In Duchenne's what is weaker ankle everters or inverters?
ankle everters
In Duchenne's what is weaker knee flexors or extensors?
knee extensors
In Duchenne's what is weaker hip flexors or extensors?
hip extensors
In Duchenne's what is weaker, hip adductor or abductors?
hip abductors
In Duchenne's what % of muscle power is lost by age 6?
50%
In Duchenne's what is average age of wheelchair dependency?
10 year old
In Duchenne's what muscle develop contractures, flexors or extensors?
flexors
Between what ages do 50% of Duchennes develop scoliosis?
12-15 years old
What pulmonary function test is a predictor of spinal deformity severity and restrictive pulmonary compromise?
forced vital capacity
Forced vital capacity is predictive of what two metrics in Duchenne's?
spinal deformity
restrictive pulmonary compromise
An FVC of less than what % of normal is a contraindication to spinal arthordesis because of morbidity?
40%
In what two cardiac muscle cell types is dystrophin present?
myocardial cells
Purkinje cells
In Duchenne's almost all patient demostrate EKG abnormalities in ages older than what?
>13 years old
At what age is cardiomyopathy first noticed in Duchenne's?
>10 years old
What 2 cardiac conditions are poor prognostic indicators in Duchenne's?
cardiomyopathy
systolic dysfunction
Name 5 EKG abnormalities in Duchenne's?
Q waves in lateral leads
elevated ST
poor R wave progression
increased R/S ratio
conduction defects
Does Becker's have a later or earlier onset than Duchenne's?
later
Can the amount of dystrophin be normal in Becker's?
Yes
What is the abnormality of the dystrophin in Becker's?
increased or decreased molecular weight resulting in abnormal function
What are two presenting symptoms of Becker's?
difficulty running
cramps on exercise
What are 3 cardinal signs of Becker's?
proximal muscle weakness
calf hypertrophy
waddling gait, lordosis
What is the EMG pattern of Becker's?
myopathic
What does the ultrasound show in Becker's?
increased echo
What is the CK in Becker's?
grossly elevated
Foci of atrophic fibers in Becker's resemble what abnormality?
denervation
What is the chromosome locus of Becker's?
Xp21
What muscle groups develop contracturs in Congenitial muscular dystrophy?
flexors
What are 3 ages stages of onset of congenital muscular dystrophy?
at birth
infancy
early childhood
What are 4 presenting symptoms of congenital muscular dystrophy?
hypotonia and weakness
fixed deformities
variable sucking and swallowing
delayed motor milstones
What are 3 cardinal clinical signs of congenital muscular dystrophy?
general hypotonia or weakness
fixed deformities in relation to uterine position
variable weakness or contractures
What are 4 associated features of congenital muscular dystrophy?
intellectual retardation
dislocation of hips
scoliosis
hydrocephalus and fundal changes
What type of fundal changes are seen in congenital muscular dystrophy?
Santavuori type
In Japan, what intellectual retardation type is seen in congenital muscular dystrophy?
Fukuyama type
What is the cause of death in congenital muscular dystrophy?
respiratory infection
Can CK be normal in congenital MD?
yes
What does muscle ultrasound show in congenital MD?
increased echo
What is the EMG pattern seen in congenital MD?
myopathic pattern
What is the inheritence pattern of congenital MD?
autosomal recessive
What are the two chromosomes of congenital MD?
9q 31-33
6q
What is the typical foot deformity of congenital MD?
equinovarus
What are three weak muscles initially in fascioscapulohumeral dystrophy?
oculi
zygomaticus
orbicularis ori
What 4 muscles are spared in FSH?
masseter, temoporalis, extraocular, and pharyngeal muscles
What sensory deficit is more commn in FSH than normal?
sensory neural hearing deficit
What are 3 body habitus abnormalities seen in FSH (2 of the upper back and 1 of the spine)?
posterior and lateral scapular winging
high riding scapula
hyperlordosis
What respiratory muscles are more affected in FSH, inspiratory or expiratory muscles?
expiratory muscle weakness
What is the cognitive deficit in FSH?
none
What is the lifespan of FSH?
normal
What is a cardinal sign of FSH?
can't whistle
What is the chromosome for FSH?
4q35
What is the inheritence pattern of FSH?
autosomal dominant
What autosomal recessive MD resembles Becker's or Duchenne's?
limb girdle syndrome
What two muscles groups are predominately weak in Limb Girdle?
shoulder and pelvic girdle muscles
What are 3 presenting symptoms of Limb Girdle?
difficulty running, with gait, and climbing stairs
What happens to muscles upon exercise with limb girdle?
cramping
Name 3 cardinal symptoms in limb girdle.
abnormal gait
lordotic posture
difficulty hopping and rising from floor
What is the EMG pattern of limb girdle?
myopathic
What is the CK elevation range in limb girdle?
mild to gross
What is the gene in limb girdle?
15q
What is the inheritence pattern in limb girdle?
autosomal recessive
What disorder is at 19q13.1?
central core myopathy
What is the inheritence pattern of central core?
autosomal dominant
What anesthetic emergency is common in central core?
malignant hyperthermia
Malignant hyperthermia is common in what myopathy?
central core
What muscle fiber type is predominant in central core?
type 1
What is the oxidative and glycolytic description of type 1 fibers?
high oxidative
low glycolytic
There is a lack of what type fibers in central core?
type II
A relative lack of type II fibers is characteristic of what myopathy?
central core
There is a relative lack of what enzymes in central core?
glycolytic
Is the weakness in central core progressive or non-progressive?
non-progressive
What is the inheritence pattern of minicore?
autosomal recessive
What muscle fibers predominate in minicore?
type 1
Is minicore progressive or non-progressive?
non-progressive
Is weakness in minicore predominantly proximal or distal?
proximal
The diaphragm is weak in what myopathy?
minicore
What is the respiratory risk in minicore?
noctural hypoventilation
What disease is carried on 1q21-q23?
nemaline myopathy
What is nemaline myopathy also called?
red-body myopathy
What is the inheritence pattern of nemaline?
autosomal recessive
What are two presenting symptoms of nemaline?
hypotonia and proximal weakness
What are the 3 possible inheritence patterns of myotubular?
autosomal dominant
autosomal recessive
x-linked recessive
What is the x-linked chromosome of myotubular?
Xq28
Where is the muscle cell nucleus in myotubular, peripheral or central?
central
Where is the muscle cell nucleus usually found, peripherally or centrally?
peripherally
What is the most common type of centronuclear myopathy?
myotubular
What are 4 presenting symptoms of autosomal myotubular myopathy?
hypotonia
delay in motor milestones
ptosis
weakness of external ocular muscles
Severe neonatal hypotonia, dysphagia, and vent support at birth are symptoms of what myopathy?
x-linked myotubular myopathy
What myopathy presents with ptosis, external ocular muscle weakness, delay in motor milestones, and generalized proximal and distal weakness?
autosomal myotubular myopathy
What myopathy is characterized by delayed relaxation of muscles after contraction?
myotonic myopathies
What disease is characterized by myotonia, muscle weakness/wasting, cataracts, premature balding, cardiomyopathy, conduction defects, gonadal atrophy, and dementia?
myotonic muscular dystrophy
What are 2 characteristic facial feature of myotonic muscular dystrophy?
long thin face
temporal and masseter wasting
Is the weakness in myotonic muscular dystrophy more proximal or distal?
distal
What muscular dystrophy has a characteristic long face and temporal and masseter wasting?
myotonic muscular dystrophy
What are two other names for myotonic muscular dystrophy?
steinert's disease or dystrophia myotonica
What are the 3 intial weaknesses in myotonic muscular dystrophy?
anke dorsiflexors, evertors, and inverters, and hand muscles
What dystrophy presents with hand and ankle weakness?
myotonic muscular dystrophy
What are 4 cardinal clinical signs of myotonic MD?
sustained grip myotonia
tongue percussion myotonia
inability to bury eyelashes
frontal balding, hatchet facies
Sustained grip myotonia is characteristic of what disease?
myotonic MD
Percussion myotonia of the tongue is characteristic of what disease?
myotonic MD
Prognosis in myotonic MD depends on what two conditions?
cardiomyopathy
respiratory problems
What onset is most common in myotonic MD?
adult onset
What form of myotonic MD is most severe?
congenital
What are the two EMG patterns seen in myotonic MD?
myotonia and myopathy
What are two finding on EKG in myotonic MD?
conduction defects
arrhythmia
What are 3 findings on muscle biopsy in myotonic MD?
dystrophic changes
internal nuclei
sarcoplasmic masses
What is the inheritence pattern of myotonic MD and what is the chromosome?
autosomal dominant 19q13
Inability to bury eyelashes is characteristic of what disease?
myotonic MD
What is another name for myotonica congenita?
Thompsen's disease
In what myotonia disorder is myotonia the only or predominant feature?
myotonia congenita
What is the only or predominant feature in myotonia congenita?
myotonia
What 3 conditions/activities exacerbate symptoms in myotonia congenita?
rest
inactivty
cold
What condition is characterized by inability to release a grip?
myotonia congenita
In myotonia congenita muscle atrophy or hypertrophy is seen?
muscle hypertrophy
Sustained eye closure in an infant is a feature of what disease?
myotonia congenita
Stiffness in myotonia congenita is manifest after what activities or condition?
cold weather
upon waking
period of rest after sustained activity
What myotonia features myotonia following fright?
myotonia congenita
Myotonia congenita can overlap with what other condition is some families?
hyperkalemic periodic paralysis
What is the EMG pattern in myotonia congenita?
myotonic discharges
What are the findings on muscle biopsy in myotonia congenita?
normal
What is the gene in myotonia congenita?
7q35
What are 4 pharmacologic agents used during disabling symtoms of myotonia congenita?
quinine
procainamide
phenytoin
steroids
What disease is characterized by hypotonia, dwarfism, diffuse bone disease, narrow palpebral fissures, and blepharospasm?
Schwartz-Jampel syndrome
Name 6 features of Schwartz-Jampel syndrome?
flat facies
micrognathia
blepharospasm
narrow palpebral fissures
hypotonia
dwafism
What disease is characterized by severe hypotonia at birth, facial weakness, arthrogryposis, and swollowing difficulties?
congenital myotonic dystrophy
What disease does the mother of babies with congenital myotonic dystrophy have?
congenital myotonic dystrophy
What are 3 presenting symtoms of congenital myotonic dystrophy?
floppiness
poor sucking and swallowing
respiratory insufficiency
What are three associated features of congenital myotonic dystrophy?
talipes equinovarus
hydramnios
thin ribs
What is a cardiac feature of congenital myotonic dystrophy?
ventricular dilation with or without periventricular hemorrhage
What is a respiratory complication of congenital myotonic dystrophy?
respiratory insufficiency
Who is always affected in congenital myotonic dystrophy?
mother
At what milestone achievment is orthopedic intervention for talipes started?
standing
What is the deformity at the subtalar joint in talipes?
inversion
At what joint is there inversion in talipes?
subtalar
What is the deformity in talipes at the talonavicular joint?
adduction
In talipes at what joint is there an adduction deformity?
talonavicular
In talipes what is the deformity at the ankle joint?
plantarflexion
Another word for plantar flexion at the ankle.
equinus
What is the cause of transient neonatal myasthenia?
ACh receptor antibodies transferred from mother to fetus
What are 3 signs of transient neonatal myasthenia?
difficulty feeding
weakness
hypotonia
What is the duration (in weeks) of transient neonatal myasthenia?
3 weeks
What form of myasthenia has a high titer of ACh receptor antibodies?
juvenile myasthenia
What is the demographic of juvenile myasthenia?
adolescent girls
What are 4 clinical features of juvenile myasthenia?
ptosis
opthalmoplegia
facial weakness
swallowing difficulty
What is the NCS hallmark of juvenile myasthenia?
fatigability of muscle after stimulation of peripheral nerve at 4 or 10 Hz
Response to what medication is used to confirm juvenile myasthenia?
IV edrophonium
What type of EMG is used to evaluate juvenile myasthenia?
single fiber EMG
What is the clinical hallmark of single fiber EMG in juvenile myasthenia?
minature endplate potentials
What two medications are used to treat neonatal myasthenia?
prostigmine or pyridostigmine
What medication is used to treat congenital or infantile myasthenia?
pyridostigmine
What are 5 treatments for juvenile myasthenia with antibodies to ACh receptors?
prostigmine, plasma exchange, thymectomy, qod steroid therapy, and azothioprine
In autoimmune myasthenia gravis, what is more affected proximal or distal muscles?
proximal
In autoimmune myasthenia what is more affected lower limbs or upper limbs?
upper limbs
What are 5 common presenting symptoms of autoimmune MG?
opthalmoparesis, ptosis, facial weakness, dysphagia, and proximal weakness
Response to what medication is used to confirm the diagnosis of autoimmune MG?
IV edrophonium
What class of medication is edrophonium?
anticholinesterase
What EMG study is used diagnose autoimmune MG?
repetitive nerve stimulation
What is the hallmark finding of repetitive nerve stimulation in the diagnosis of MG?
10% decrement of CMAP amplitudes at stimulation rates of 2-5 Hz over a train of 5 stimuli
What receptors are detected in 90% of patients with generalized MG and 50% with ocular myasthenia?
anticholinesterase receptors
What is the onset period for infantile botulism (days to months)
10 days - 6 months
What are 4 hallmark symptoms of infantile botulism?
acute onset hypotonia, dysphagia, constipation, and weak cry
What is the gag reflex in infantile botulism? increased or decreased
decreased
In infantile botulism are DTRs increased, decreased, or normal?
normal
What are 3 eye findings in infantile botulism?
ophthalmoplegia, ptosis, and pupillary dilation
In what bodily sample is the toxin of infantile botulism found?
stool
What is the agent causing infantile botulism?
clostridium botulinum toxin
What is another name for Guillan Barre?
Acute inflammatory demylinating polyradiculopathy (AIDP)
What are two prodrome infectons of AIDP?
upper respiratory or GI infection
What are 4 infectious agents causing the prodrome infections leading up to Guillan Barre (AIDP)?
mycoplasma, CMV, EBV, and Campylobacter jejuni
Is the onset weakness in GB distal or proximal?
distal
Is the onset weakness in AIDP UE or LE?
LE
What is the most common paralysis in GB?
facial paralysis
Is the facial paralysis in AIDP UMN or LMN?
LMN
When (in weeks) does paralysis peak in GB?
2 weeks
When in months is maximum recovery?
7 months
What are two treatments for AIDP in children?
plasma exchange and IV immune globulin
What is the prognosis in children without treatment in AIDP?
good
What is CIDP?
chronic inflammatory demyelinating polyradiculoneuropathy
What is the course in CIDP?
chronic relapsing
What are the H and F wave latencies in CIDP: normal , absent, or prolonged?
absent or prolonged
What are the conduction velocities in CIDP: slower, faster, or unchanged?
slower conduction velocities
What is the distal latency in CIDP: normal or prolonged?
prolonged
What does the NCS show in CIDP?
conduction block
What is the CMAP pattern in the EMG of CIDP?
temporal dispersion
What is HMSN?
hereditary motor sensory neuropathy
What is the prevalence of HMSN?
1 per 2500
What is the most common form of HMSN?
charcot marie tooth (HMSN 1)
What is the characteristic nerve biopsy finding in Charcot Marie Tooth (HMSN 1)?
onion bulb
What type of neuropathy on EMG is Charcot Marie Tooth?
hypertrophic demyelinating
What is the gene for Charcot Marie Tooth?
17p11.2-12
What type of neuropathy on EMG is Charcot Marie Tooth II?
axonal neuropathy
What is another name for Charcot Marie Tooth II?
HMSN 2
What are the amplitudes in Charcot Marie Tooth 2 on NCS: increased, decreased, or normal?
decreased amplitudes
What compartment of the leg atrophies in Charcot Marie Tooth II: anterior or posterior compartment?
anterior
What HMSN has a stork leg appearance?
HMSN 2 (Charcot Marie Tooth II)
What Charcot Marie Tooth has LESS involvement of the hands?
Type II
When is the onset of HMSN 3?
infancy or early childhood
What has an earlier age of onset Charcot Marie Tooth I or II?
CMT I
What is HMSN 3 also called?
Dejerine Sottas disease
What is the inheritence pattern of HMSN 4?
autosomal recessive
What is HMSN 4 also called?
Refsum's disease
Where is the initial weakness in Refsum's disease?
distal lower extremities
Where does weakness appear in HMSN 4 after the distal lower extremities?
distal upper extremities
Is the weakness in GB (AIDP) ascending or descending?
ascending from distal LEs
What are the DTRs in Refsum's?
decreased DTRs
What is the neurpathy caused by arsenic?
axonal or demylenating
In what 4 bodily samples can arsenic be measured?
blood, hair, nails, urine
What is the most common toxic neuropathy?
lead
Where the predominant weakness in lead toxicity: UEs or LEs?
LEs
What are 7 clinical findings in lead toxicity?
anorexia
nausea
vomiting
clumsiness
seizures
mental status changes
papilledema
What is the neurpathy of mercury toxicity?
distal motor axonal neuropathy
Use of what topical cleaning agent can result in mercury toxicity?
ammonia
What are 4 clinical findings in mercury toxicity?
encephalopathy
absent DTRs
ataxic gait
distal sensory paresthesias
Exposure to what chemical may result in organophosphate toxicity?
insecticides or lubricants
What are 4 symptoms of organophosphate toxicity?
encephalopathy
sweating
diarrhea
constricted pupils
What is a late effect of organophosphate toxicty?
motor polyneuropathy
What is the chemical involved in glue-sniffing?
n-hexane
What is the neuropathy of glue-sniffing?
distal motor and sensory demyelinating polyneuropathy
What toxic neuropathy has the following clinical features: distal weakness, absent DTRs, and foot drop?
vincristine
What are 3 clinical features of vincristine toxicity?
distal weakness, absent DTRs, and foot drop
What is the neurpathy of vincristine toxicity?
pure motor axonal polyneuropathy
What metabolic neuropathy involves peroneal innervated musculature?
end stage renal disease
Is the sensory neuropathy of end stage renal disease dermatomal or stocking glove?
stocking glove
What is the neuropathy of end stage renal disease?
distal motor and sensory polyneuropathy
What are 4 findings in the neuropathy of end stage renal disease?
loss of sensation, vibratory sense, and distal weakness, especially the musculature innervated by the peroneal nerve
What is the neuropathy of diabetes?
distal motor and sensory polyneuopathy
Is diabetic neuropathy axonal, demyelinating, or both?
axonal and demyelinating
What is the distribution of diabetic neuropathy?
stocking-glove
What motor neuron disorder shows both UMN and LMN signs/symptoms?
spinal muscular atrophy
What two cell types degenerate in spinal muscular atrophy?
anterior horn cells of the spinal cord and brainstem motor nuclei
What brain tract is spared in spinal muscular atrophy?
pyramidal tract
What chromosome is linked to spinal muscular atrophy?
5q13
What is the inheritence pattern of all 3 spinal muscular atrophy subtypes?
autosomal recessive
What is SMA type I also called?
Werdnig-Hoffman disease
What are 3 presenting symptoms of Werdnig-Hoffman?
*hypotonia
*generalized symmetrical weakness
*sucking and swallowing difficulty
In Werdnig-Hoffman what is weaker, UE or LEs?
lower extremities
What is more affected in Werdnig-Hoffman proximal or distal muscles?
proximal
What is the leg postion when supine of Hoffman Werdnig?
Frog-leg i.e. hip abducted and externally rotated
What 2 muscle weaknesses causes the diaphragmatic breathing seen in Werdnig-Hoffman (SMA I)?
abdominal and intercostal weakness
Fasciculations of what structure occur in 60% of patients with Werdnig-Hoffman?
tongue
What 2 muscles are spared in Werdnig-Hoffman?
extraocular and myocardium
Does the preservation of DTRs exclude the diagnosis of SMA?
no
What is the appearance of the abdomen in Werdnig-Hoffman?
protuberant abdomen
What is the shape of the chest in Werdnig-Hoffman?
Bell-shaped chest
What is the breathing pattern in Werdnig-Hoffman?
diaphragmatic breathing
What is the position of the legs in SMA-I?
internally rotated arms- jug handle posture
Within what time span do the majority of patients with SMA-I die?
within first year
What is the most commoncause of death in SMA-I?
pneumonia
Is the weakness in Werdnig-Hoffman progressive or non-progressive?
non-progressive
What is the motor nerve conduction velocity in SMA I?
normal or reduced
What is the CK in Werdnig Hoffman?
normal
What is the EMG pattern in Werdnig-Hoffman?
denervation
What type muscle fibers are seen in large cluster in SMA-I muscle biopsy?
Type I
What SMA is characterized by the ability to sit unsupported?
SMA II
Is an SMA II patient able to stand?
no
What is age of onset range in months of SMA II?
6-12 months
Where is the predominant weakness in SMA II: UEs or LEs?
LEs
What are two presenting symptoms of SMA II?
leg weakness
inability to stand or walk
Is the weakness in SMA II symmetrical or asymmetrical ?
symmetrical
Is the weakness in SMA II distal or proximal?
proximal
What two structures in SMA II have tremors or fasciculations?
tongue and hands
What is an associated spinal feature of SMA II?
scoliosis
What two limbs have excessive joint laxity in SMA II?
hands and feet
What SMA can have advanced intellect?
SMA II
Is weakness in SMA II progressive or non-progressive?
non-progressive
Prognosis in SMA II is dependent of what function?
respiratory
What is the CK in SMA II?
normal
What does the ultrasound show in SMA II?
increased echo
What does the EMG show in SMA II?
denervation and re-innervation
What muscle fibers predominate in SMA II muscle biopsy?
type I
What is the most mild form of SMA?
type III or Kugelberg-Welander syndrome
What is SMA III also called?
Kugelberg-Welander
Werdnig-Hoffman patient can never acheive what motor milestone?
sit
SMA II patient will never acheive what motor milestone?
stand
Kugelberg-Welander (SMA III) will never acheive what motor milestone?
stand alone
What 2 muscle groups are predominately affected in SMA III?
hip extensors and abductors
What are two features of the gait of SMA III?
waddling and pelvic drop
What are two features of the posture of SMA III?
lumbar lordosis and anterior pelvic tilt
What spinal deformity is common in SMA III?
scoliosis
What is the age of onset range in SMA III (months to age category)?
18 months to late teenage
What is a common presenting complaint of SMA III?
difficults running, jumping, or climbing stairs
What are two vaiable clinical signs in SMA III?
hand tremor and tongue fasciculations
What CP sign is seen in SMA III?
Gower's sign
What are the survival prospects of SMA III? on what function does survival depend?
good; depends on respiratory function
What does the ultrasound show in SMA III?
increased echo
What is the CMAP amplitude in SMA III: increased, decreased, or normal?
decreased
What muscle fiber type predominates in SMA III upon biopsy?
type I
What is the EMG pattern seen in SMA III?
denervation and re-innervation
What is the CK level in SMA III?
normal or moderately elevated
Before what age is the onset of Friedrich's ataxia?
<20 years old
What brain structure degenerates in Friedrich's ataxia?
cerebellum
What is the chromosome in Friedrich's ataxia?
9q21
What is the inheritence pattern of Friedrich's ataxia?
autosomal recessive
What is the presenting symptom in Friedrich's ataxia?
gait ataxia
Is Friedrich's ataxia ascending or desceding?
ascending
What are 7 signs/symptoms of worsening in Friedrich's ataxia?
weakness
atrophy
dysarthria
proprioceptive loss
nystagmus
scoliosis
fatigue
What intracellular body is the source of the abnormal protein in Friedrich's ataxia?
mitochondria
What is the name of the abnormal protein in Friedrich's?
frataxin
What is the prevalence of scoliosis in Friedrich's?
100%
What produces more stress on muscle fibers: eccentric (lengthening) or concentric (shortening) contractions?
eccentric (lengthening) contractions
What type of exercise program is prescribed in Duchenne's: maximal or submaximal?
submaximal
What is a Duchenne's resting heart rate compared to controls?
increased resting heart rate
What is a Duchenne's peripheral O2 utilization compared to controls?
decreased
What is a Duchenne's CV capacity compared to controls?
decreased
What is imminent when knee extension strength is <3/5 (antigravity)?
wheelchair reliance
What lower extremity strength testing is used to determine imminent wheelchair use?
knee extension strength < 3/5
Wheelchair use is imminent when time to ambulate 30 feet is greater than what time (seconds)?
12 seconds
What 2 interventions can prolong ambulation in Duchenne's?
bracing and surgery following loss of independent ambulation
Is there any evidence for the efficacy of prophylactic surgery in Duchenne's to prolong independent ambulation?
no
What two metrics are used to determine corrective scoliosis surgery in neuromuscular disease in children?
curvature <35 degrees
VC 35%
Scoliosis surgery is recommended prior to vital capacity falling below what percentage of normal?
35%
Scoliosis surgery is recommended prior to a curve becoming greater than what degree?
35 degrees
A forced vital capacity less than what percentage range of normal may preclude scoliosis surgery due to perioperative morbidity?
30-40%
30-40% of what pulmonary function test is a contraindication to corrective scoliosis surgery?
forced vital capacity
Are spinal orthotics helpful in the scoliosis of Duchenne's?
no
What scoliosis treatment is ineffective in Duchenne's?
spinal orthotics
What spinal surgical procedure is most effective in the treatment of progressive scoliosis in neuromuscular disease in children?
spinal arthrodesis
Spinal bracing is used to improve what activity in children with neuromuscular disease who are unable to walk?
sitting balance
What is the most common cause of mortality in childhood neuromuscular disease?
pulmonary complications