ANESTHESIA Hadzic's Peripheral Nerve Blocks Hadzic parte 06
Equipment A standard regional anesthesia tray is prepared with the following equipment: Sterile towels and gauze packs Two 20-mL syringes containing local anesthetic Sterile gloves, marking pen, and surface electrode A 3- to 5-mL syringe plus 25-gauge needle with local anesthetic for skin infiltration Peripheral nerve stimulator Catheter kit (including an 8- to 10-cm large-gauge stimulating needle and catheter). Kits come in two varieties based on catheter construction: nonstimulating (conventional) and stimulating catheters. During the placement of a conventional nonstimulating catheter, the stimulating needle is first advanced until appropriate twitches are obtained. Then 5–10 mL of local anesthetic or other injectate (e.g., D5W) is then injected to “open up” a space for the catheter to advance freely without resistance. The catheter is then threaded through the needle until approximately 3 to 5 cm is protruding beyond the tip of the needle. The needle is then withdrawn, the
