08.20 - Pneumonia, CAP Part 3 (Cross) - Questions Flashcards
Cause of bronchial breath sounds
Dense consolidation of lung parenchyma (pneumonia) results in transmission of large airway noises to periphery
When will percussion of lungs have deadend tone
If air-filled tissue is displaced by fluid or infiltrated w/ white cells and bacteria
In the presence of consolidation, tactile fremitus becomes
more pronounced.
Which of the following is not a CAP: S Aureus, H Influenzae, K pneumoniae, M catarrhalis
All are CAP causes
Currant Jelly sputum; Chronic alcoholics and malnourished
K pneumoniae
Post-viral respiratory infection
S Aureus
6 serotypes; Encapsulated and Non-; Gram neg coccobacillus
H influenzae
Grows on chocolate agar; Requires factors V and X for growth
H influenzae
Necrotizing pneumonia with abscess formation
S Aureus, K Pneumoniae
H influenzae: treatments of choice for mild infection and serious infection
Amoxicillin for mild, Ceftriaxone for serious
Also causes otitis media, epiglottitis, meningitis
H influenzae
Vaccine for this bug incorporates the capsular polysaccharide b; Ab’s against the capsule are protective
H influenzae
Common bacterial causes of acute COPD exacerbations
H influenzae, M catarrhalis
3 important pearls about S Aureus
Post-viral; HAP; Necrotizing
3 important pearls about H Influenzae
Capsule; COPD; Chocoalte agar