Infection due to bacterial invasion of the joint space
Systems affect: musculoskeletal
Synonyms: suppurative arthritis; infections arthritis; pyarthrosis; pyogenic arthritis; bacterial...
Typically presents with a combination of joint pain, swelling, warmth, and decreased ROM
Non-gonococcal arthritis: mostly monoarticular (80%)
Typically large joints: knee (50%), hip (20...
Admit for parenteral antibiotics and monitoring.
Begin antibiotics immediately after arthrocentesis.
Drainage of purulent material is required if:
Pediatric: Surgical drainage a...
Can monitor synovial fluid to verify decreasing WBC and sterile fluid after initial treatment
If not improvement in 24 hours, re-evaluate and con...
Hassan AS, Rao A, Manadan AM, et al. Peripheral bacterial septic arthritis: Review of diagnosis and management. J Clin Rheumatol. 2017;23(8):435-442.
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M00.079 Staphylococcal arthritis, unspecified ankle and foot
M00.829 Arthritis due to other bacteria, unspecified elbow
M00.011 Staphylococcal arthritis, right shoulder
M00.261 Other streptoco...
Arthrocentesis and synovial fluid analysis are mandatory in cases of suspected septic arthritis.
Gram stain has variable sensitivity in septic arthritis. sWBC count is generally >50,...
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