musculoskeletal and connective tissue disorders
How To Do Ankle Arthrocentesis
Equipment for Ankle 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- to 38-mm (1- to 1 1/2-inch) 20-gauge needle and a 10-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 20 to 30 mg ormethylprednisoloneacetate 40 mg) and/or a long-acting anesthetic (eg, 0.25%bupivacaine), a 22- to 25-gauge needle, and a hemostat to help switch syringes, if needed 