septic arthritis Flashcards
1
Q
What is septic arthritis?
A
Septic arthritis is defined as the infection of 1 or more joints caused by pathogenic inoculation of microbes. It occurs either by direct inoculation or via haematogenous spread.
2
Q
What are the signs and symptoms of septic arthritis?
A
hot, swollen, tender, restricted joint low socioeconomic status history of intravenous drug abuse history of diabetes history of cutaneous ulcers
3
Q
What are the risk factors of septic arthritis?
A
underlying joint disease joint prostheses intravenous drug abuse diabetes cutaneous ulcers
4
Q
What is the epidemiology of septic arthritis?
A
The estimated incidence of septic arthritis in developed countries is 6 cases per 100,000 population per year.
5
Q
What investigations would you do for septic arthritis?
A
Bloods- ( culture, growths, WCC raised, ESR high, CRP high)
Synovial fluid- culture (growths), WCC (high)
XR (chondrocalcinosis or degeneration)
US (presence of effusion)