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21 Cards in this Set
- Front
- Back
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What are anthropometric measurements? What are the limitations of them?
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Gross measurements of body cell mass, evaluate lean body mass & fat stores
In adults, may takes several weeks to detect a change; also measurements can be affected by hydration levels |
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IBW=
BMI= |
male=50 + (2.3 x " over 5')
female=45.5 + (2.3 x " over 5') BMI=kg/m2 |
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When is pt considered obese?
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When ABW >20%IBW
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Which proteins can be correlated to nutritional status?
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Albumin
Transferrin Prealbumin |
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Role of zinc in nutrition & how a deficiency of it would manifest?
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Role: gene expression
Deficiency: Dermatits @ nose & mouth |
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Role of Copper in nutrition & how a deficiency of it would manifest?
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Role: Iron Metabolism
Deficiency: Hypochromic, microcytic anemia, leukopenia, neutropenia, hypercholesterolemia. |
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Role of Manganese in nutrition & how a deficiency of it would manifest?
How would a toxicity manifest itself? |
Role: AA, carb & cholesterol metabolism
Deficiency: N/V Dermatitis Hair color changes Hypocholesterolemia Toxicity->EPS |
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Role of Chromium in nutrition & how a deficiency of it would manifest?
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Role: works w/ insulin to maintain normal blood glucose [ ]s
Deficiency: Glucose intolerance, Impaired protein utilization |
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Role of Selenium in nutrition & how a deficiency of it would manifest?
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Role: Antioxidant
Deficiency: muscle pain & weakness |
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Role of Iodine in nutrition & how a deficiency of it would manifest?
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Role: Thyroid hormones
Deficiency: Decreased thyroid hormone (goiter) |
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Role of Iron in nutrition & how a deficiency of it would manifest?
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Role: O2 transport & cellular energy production
Deficiency: Iron deficiency anemia (fatigue, weakness) |
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What are the stress factors applicable to the BEE equation?
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Maintenance: 1.2 x BEE
Mild Stress: 1.3 x BEE Moderate Stress: 1.5 x BEE Severe stress: 2 x BEE |
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What are the advantages & disadvantages or indirect calorimetry?
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Advantages:
Most accurate tool for measuring energy reqs Measures O2 use & CO2 production Highly specific for each pt Disadvantages: Requires institution to have cart & personnel Overestimates energy req if pt is: hyperventilating, metabolic acidosis, or being overfed! |
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What is recommended protein intake?
When would pt have increased need for proteins? |
0.8g/kg/day
Critically ill Renal failure Severe hepatic failure |
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What is typical fluid requirement in adults?
What factors may affect daily fluid needs? |
30-35mL/kg/day OR 1ml/kcal of nutrition
Increased fluid needs from: Fever, diaphoresis; GI losses Decreased fluid needs: Fluid overload or Renal Failure |
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How might this drug affect nutritional status: Diuretics
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May change electrolyte [ ]s
Furosemide may decrease thiamine [ ]s |
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How might this drug affect nutritional status: Corticosteroids
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May cause hyperglycemia
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How might this drug affect nutritional status: Sulfasalazine
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May cause folic acid deficiency
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How might this drug affect nutritional status: Isoniazid
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May cause pyridoxine deficiency
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How might this drug affect nutritional status: Amphoterecin B
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Formulated in lipid emulsion vehicle
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How might this drug affect nutritional status: Propofol
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Formulated in lipid emulsion vehicle
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