Read about what to expect during arthrocentesis recovery, what the common side effects are, and when to call a doctor about complications.
The synovial fluid taken from a joint during arthrocentesis (joint aspiration) may be tested in a lab as part of the diagnostic process. Learn how chemical, microscopic, and microbial analyses can help support or rule out the diagnosis of certain conditions.
Arthrocentesis, also called joint aspiration, involves using a needle or syringe to drain the fluid from a joint capsule. Arthrocentesis may be used to both diagnose and treat joint problems, such as arthritis. A similar procedure, called bursal aspiration, is used to treat bursitis.