An older adult client sought care for the treatment of a swollen, painful knee joint. Diagnostic imaging and culturing of synovial fluid resulted in a diagnosis of septic arthritis.
Septic arthritis is an infection in a joint that is caused by bacterial, viral, or fungal infections usually it is a bacterial infection with Staphylococcus aureus that travels through the bloodstream from another part of the body.
Septic arthritis can also occur when a penetrating injury, such as an animal bite, delivers a pathogen directly into the joint. The most common mode of treatment is the administration of antibiotics after identifying the strain of bacteria present in the infected area.
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