RT Book, Section A1 Reichman, Eric F. A1 Larkin, John A1 Euerle, Brian A2 Reichman, Eric F. SR Print(0) ID 1159800938 T1 Arthrocentesis T2 Reichman's Emergency Medicine Procedures, 3e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259861925 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1159800938 RD 2024/10/11 AB Arthrocentesis is the insertion of a needle into a joint cavity for the removal of synovial fluid and/or the injection of pharmaceutical agents into the joint cavity. Fluid can be aspirated from almost any joint. Arthrocentesis is used to diagnose and make treatment decisions regarding a joint. Obtaining synovial fluid is safe, simple, relatively pain free, inexpensive, and extremely beneficial to the patient.