Nivelnäyte
Nivelnäyte, or synovial fluid sample, is a sample of the fluid found in a joint collected by arthrocentesis for diagnostic evaluation of joint diseases. It is most commonly obtained from the knee but any accessible joint may be punctured.
Procedure and handling: The procedure is performed under aseptic conditions with local anesthesia. A needle is
Analyses performed: Macroscopic assessment records color, clarity, and viscosity. Laboratory analyses include cell count with differential,
Clinical interpretation: Normal synovial fluid is clear and pale yellow with low viscosity and a low cell
Safety and limitations: Arthrocentesis is generally safe but carries risks such as bleeding, infection, or joint