Septic Arthritis Flashcards
1
Q
what is septic arthritis
A
bacterial infection of a joint
2
Q
common pathogens
A
staph aureus
neiseria gonorrhoea
gram -ve bacilli
3
Q
presentation of septic arthritis
A
hot, red, swollen, painful joint
may be immobile
4
Q
most commonly affected joint
A
knee
5
Q
triad of rash, tensosnyovitis, migratory arthritis (changes site)
A
arthritis-dermatitis syndrome
- caused by gonorrhoea
6
Q
diagnostic investigation of septic arthritis
A
joint aspiration
- gram stain + culture
7
Q
what additional tests should be performed in suspected gonococcal arthritis
A
urethral, rectal + throat swabs
8
Q
treatment of septic arthritis
A
antibiotics 4-6 weeks
- initially IV for 2 weeks
9
Q
tx staph aureus
A
flucloxacillin
10
Q
tx MRSA
A
vancomycin
11
Q
tx gonorrhoea
A
cefotaxime
