How to Drain Fluid From a Knee. The knee is the largest joint in the human body, and is notoriously prone to injury due to the complex nature of the movements it makes and the stress it endures. It has many common causes, including arthritis, injury to the ligaments or meniscus, or fluid collecting in the bursa, a condition known as prepatellar bursitis. Knee effusion occurs when excess synovial fluid accumulates in or around the knee joint.
The knee joint is the most common and the easiest joint for the physician to aspirate. Drainage of a joint is called arthrocentesis, and involves the use of a needle to draw out fluid contained within the joint space. The drained fluid can be sent for synovial fluid analysis, which can help to detect various conditions causing knee swelling. I got my knee drained today and the doctor was cool enough to let me record.
Knee aspiration is a procedure in which a sterile needle and syringe is used to drain the excess fluid accumulated in the knee joint. Here are a list of the top questions and about knee replacement surgery.