USMLE Step 3 Pediatrics Respiratory Diseases Flash Cards

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Title:	USMLE Step 3 Pediatrics Respiratory Diseases
Description:	USMLE Step 3 Pediatrics Respiratory Diseases
Number of Cards:	12
Save Count:	3
Author:	SCThomas
Created:	2011-12-19
Tags:	3 diseases pediatrics respiratory step usmle
Private	No

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- Croup
  caused by
- Parainfluenza 1 or 3
  Influenza A or B
- Croup presentation
- 3mo-5yo with URT sx
  Rhinorrhea, sore thorat, hoarseness
  deep barking cough
  inspriatory stridor, tachypnea, sx worse at night
- Croup
  dx
- Clinical
- Croup
  mgmnt
- O2, humidified
  Epinephrine/Corticosteroids, nebulized
  
  Neck XR (rule out thumbprint sign of epiglottitis)
  
  CEO Necktie
- Epiglottitis
  caused by
- H. Influenza type B
  S. pyogenes
  S. pneumoniae
  S. aureus
  Mycoplasma
- Epiglottitis
  presentation
- sudden onset:
  muffled voice, DROOLING, DYSPHAGIA
  high fever, inspiratory stridor
  
  Pt prefers sitting in tripod position
  Toxic appearance.
- Epiglottitis
  dx
- Treat first, then diagnose for sure!
  XR Neck-thumbprint sign
  Blood cx
  Nasopharyngoscopy in OR
  Epiglottic swab culture
- Epiglottitis
  mgmnt
- Treat first, then diagnose for sure!
  1. Transfer to hospital/OR
  2. Consult ENT and anesthesia
  3. Intubate
  4. Ceftriaxone and Steroids
  5. Rifampin ppx to household contacts if H. influenza positive
  
  TEA ICE STRIF
- Bacterial tracheitis
  cause
- S. aureus
- Bacterial tracheitis
  presentation
- Brassy cough, high fever, respiratory distress
  <3yo
  usu after viral URTI
- Bacterial tracheitis
  dx
- Clinical + Laryngoscopy
  CXR withsubglottic narrowing plus ragged tracheal air column
  -Blood cx
  -Throat cx
- Bacterial tracheitis
  tx
- antistaph abx
  may require intubation