Indications: Analgesia for rib fractures, back and chest wall surgeries.
Goal: Injection of local anesthetic in the plane deep to the erector spinae muscles and superficial to the transverse processes, to achieve a craniocaudal distribution along several vertebral levels.
Transducer: Linear or curved
Needle: 22 gauge, 5-10 cm short bevel
Local anesthetic volume: 20-30 mL