Septic Arthritis Flashcards
1
Q
When should septic arthritis be considered?
A
In any acutely inflamed joint
2
Q
When may inflammation be less overt in SA?
A
Immunocompromised patient
Underlying joint disease
3
Q
What are the risk factors for SA?
A
Joint disease esp RA Diabetes Immunosuppression CKD Recent joint surgery Prosthetic joints IVDU >80yrs
4
Q
What are the key investigations for SA?
A
Urgent joint aspiration of synovial fluid microscopy and culture
Blood culture
(plain xray and crp may be normal)
5
Q
What is the main differential diagnosis for SA?
A
Crystal arthropathies
6
Q
What is the treatment for SA?
A
Abx for 2 weeks IV the 2-4 weeks PO
May need orthopaedic review for washout and debridement
7
Q
What are some common causative organisms of SA?
A
Staph aureus, streptococci, neisseria gonococcus and gram -ves
8
Q
Abx of choice for gonococcus?
A
Ceftriaxone
