Septic Arthritis Flashcards
1
Q
One of the many reasons SA is an emergency because
A
Spread to surrounding tissues
2
Q
Most common bac cause
A
S aureus
3
Q
Common bac in prosthetic joint
A
S epidermidis
4
Q
Common bac in children
A
Sep pyogenes
5
Q
Common bac in sexually active
A
N gonorrhoea
6
Q
Typical patient age
A
Young
7
Q
Exam question gram stain result
A
Gram -ve diplodocus
8
Q
What must you do if urinary/genital symptoms trick you into thinking this is reactive arthritis
A
Exclude SA 1st
9
Q
Joint aspiration is taken via
A
MCS
10
Q
Blood results in SA
A
- WCC
- ESR/CRP
11
Q
Most common spread of SA
A
Haematogenous
12
Q
IV Abx choice
A
Penicillin
13
Q
Joint washout requires
A
GA
14
Q
Differentials: gout
A
Urate crystals -very birefringent of prolapsed light
15
Q
Differentials: pseudogout
A
Calcium pyrophosphate crystals; rod shaped & +very birefringent
