Infectious Arthritis Flashcards
1
Q
MCC infectious arthritis
A
trauma
2
Q
MCC of infectious arthritis in adults vs
young sexually active people
A
staph aureus
neisseria gonorrhea
3
Q
what will joint fluid aspiration show with infection?
A
WBC >50k
glucose <25
4
Q
how to treat IA?
A
ceftriaxone IV
after improvement can switch to PO cefixime
5
Q
stage 1 lymes
A
erythema migrans
tx w/doxy
6
Q
stage 2 lymes
A
cardiac- IV ceftriaxone w/monitor
CNS-tx w/PCN G and ceftriaxone
if facial nerve palsy also doxy
7
Q
stage 3 lymes
A
joint and periarticular pain frank arthritis of large joints chronic synovitis tx-general arthritis tx w/PO doxy/amox tx-recurrent arthritis or neuro symptoms with IV ceftriaxone
