musculoskeletal and connective tissue disorders
How To Do Metacarpophalangeal and Interphalangeal Joint Arthrocentesis
Equipment for MCP and IP Joint Arthrocentesis
Antiseptic solution (eg,chlorhexidine, povidone iodine, isopropyl alcohol), sterile gauze, and gloves Nonsterile underpads Local anesthetic (eg, 1%lidocaine, 25- to 30-gauge needle, 3- to 5-mL syringe) For joint aspiration, a 25-mm (1-inch) 25-gauge needle and a 3-mL syringe Appropriate containers for collection of fluid for laboratory tests (eg, cell count, crystals, cultures) For intra-articular therapeutic injection, a syringe containing a corticosteroid (eg,triamcinoloneacetonide 10 mg ormethylprednisoloneacetate 20 mg) and/or a long-acting anesthetic (eg, 0.25%bupivacaine), a 25-gauge needle, and a hemostat to help switch syringes, if needed 