ID review Flashcards
1
Q
common infections that involve the upper rsp tract
A
- acute sinusitis
- acute OM
- acute OE
- pharyngitis
2
Q
MC of acute sinusitis? what else can cause?
A
- s. pneumo
- h. flu
- m cat
- s. aureus
usually viral in adults
3
Q
first line abx for acute sinusitis? alternatives?
A
- amoxicillin+clavulanate (augmentin)
- doxy or levo
4
Q
MC of acute OM
A
- s. pneumo
- h. flu
- m. cat
- streptococcus pyogenes
5
Q
first line abx for OM? alternatives
A
- amoxicillin
- cefuroxime, cefdinir
- amoxicillin-clavulanate (augmentin)
- doxycycline (adults only)
- macrolide if severe PCN allergy
6
Q
MC of otitis externa
A
- pseudomonas
- s. epidermidis
- s. aureus
7
Q
first line abx for otitis externa? alt?
A
- cipro
- cortisporin (suspension only if eardrum is not visible)
8
Q
MC of pharyngitis
A
- strepococcus pyogenes (Group A)
- viral
9
Q
first line abx for pharyngitis? alts?
A
- PCN G, PCN VK, amoxicillin
- cephalexin (keflex)
- azithromycin (zithromax)
- clinda
10
Q
common lower rsp tract infection
A
CAP
11
Q
MC of CAP?
A
s. pneumo
12
Q
what causes CAP especially during travel outbreaks/confined spaces, CPAP machines
A
legionella pneumophila
13
Q
What is the tx for uncomplicated CAP? alternatives?
A
- amoxicillin
- azithromycin/clarithromycin
- doxy - if macrolide allergy or resistance
14
Q
What can cause complicated CAP
A
- comorbidities - COPD, DM, CHF, malignancy, alcoholism, immunosuppression
- recent abx use within last 3 months
- requiring admission to hospital
15
Q
tx for complicated CAP? alternatives?
A
- rsp fluoroquinolones - levo, moxi
- augmentin/cephalo + macrolide/doxy