Septic Arthritis (Joint Infection)
Description
An infection of the joint, usually caused by bacteria. The bacteria can enter the joint by traveling through the blood, or by direct entrance into the joint from trauma. The infection can cause permanent destruction of the joint if left untreated. Previous joint surgery, and a depressed immune system increase the risk of the disorder.
Symptoms
Joint swelling, intense joint pain, fever, joint swelling, joint redness, unable to move the limb with the infected joint.
Tests
A history and physical exam will be performed. A needle will be inserted into the joint (arthrocentesis), and synovial fluid (joint fluid) will be removed for analysis. Identifying the bacteria in the joint fluid establishes the diagnosis.
- CBC
- Chem 12
- UA
- X-Ray
- CT Scan
- MRI
Treatment
Antibiotics are needed to treat the infection. Further treatment includes frequent joint aspiration to remove the infected fluid and/or surgery to thoroughly clean the joint.
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