PULM Flashcards
MCC of CAP
strep pneumo
Which type of pneumo is most common in pts with underlying pulm dz such as COPD, Bronchiectasis, CF?
Haemophilus Influenzae
Which pneumo is MC found in school aged, college students, military recruits
mycoplasma
What is the Cpx of pts with mycoplasma pneumo (atypical pneumo)?
- pharyngitis
- bullous myringitis
What are the symptoms associated with Legionella Pneumophila?
GI sxs: Increased LFTs, hyponatremia
When is staph aureus mainly seen?
after viral illness
Ex: flu
With what conditions would you expect to see a pt with klebsiella pneumonia?
Alcoholics
debiliated
chronic illness
aspirators
which pneumo is most associated with cavitary lesions?
klebsiella pneumonia
Risk factors for pseudomonas aerignosa
immunocompromised (HIV, neutropenic, s/p transplant)
CF
bronchiectasis
What is the MC viral cause of pneumo in infants/small children?
parainfluenza & RSV
MC viral cause in adults of pneumo
influenza
What kind of hosts would you see Pneumocystis jiroveci carinii (PCP) in?
compromised host w/ fatigue, dry cough, dyspnea on exertion
This fungus/parasite is found in Mississippi & Ohio river valley and is contaminated with bird/bat droppings
Histoplasma capsulatum
What is the most common hospital acquited agent that causes pneumonia?
Pseudomonas
What two situations are considered as part of Community acquired pneumonia?
- acquired outside of the hospital setting
- pt that was ambulatory prior to admission who develops pneumonia within 48 hours of initial hospital admission
What is considered Hospital acquired (nosocomial) pneumo?
pneumonia occurring >48hours after hospital admission
HAP is usually caused by what two agents?
pseudomonas & MRSA
What are the clinical manifestations of typical pneumonia?
rigors** in strep pneumo
What will you see in physical exam of typical pneumo?
signs of consolidation
bronchial breath sounds
dullness on percussion
Inc. Tactile fremitus, egophony
Dx workup for mycoplasma
serum cold agglutinins**
What must you order if you suspect mycoplasma?
serum cold agglutinins
Dx workup for pneumonia
- CXR/CT scan
- Sputum (gram stain/culture)
What would you see in CXR if suspecting staph aureus?
abscess formation
What would you see in CXR if Klebsiella?
R upper lobe with bulging fissure, cavitations