Septic arthritis Flashcards
1
Q
Infection of a joint
A
Septic arthritis
2
Q
Septic arthritis risk factors
A
Instrumentation (injection, arthroscopy, arthroplasty)
joint damage (osteoarthritis, trauma, RA)
Prosthetic joint
Gonococcal infections
3
Q
Presentation
A
erythema, warm, swollen, painful joint
decreased range of motion
4
Q
Gonococcal septic arthritis
A
multiple infected joints and rash
fever and chills
5
Q
Septic arthritis differential
A
trauma
hemarthrosis (spontaneous or traumatic)
crystalline arthropathy
autoimmune disease
6
Q
Diagosis
A
Arthrocentesis
Fluid sent for gram stain, culture, cell count/differential, and crystal analysis
Blood cultures
7
Q
Synovial fluid findings
A
> 50,000 WBCs
> 90% neutrophils
