Ultrasound-Guided Regional Nerve Blocks in Emergency Medicine: Interscalene Brachial Plexus Nerve Block Uses in the Emergency Department: Clavicle fracture, proximal and mid-humerus fracture, reduction of shoulder dislocation, drainage of deltoid abscess, laceration repair at the lateral arm. #interscalene #brachial #plexus #nerve #block #ultrasound #anesthesia #pocus