Ultrasound-Guided Combined Interscalene-Cervical Plexus Block for Surgical Anesthesia in Clavicular Fractures: A Retrospective Observational Study

Figure 2

Visualization of the anatomical structures at the midneck level in the transverse plane: sternocleidomastoid muscle, carotid artery, and jugular vein. Brachial plexus can be seen as three hypoechoic nodular structures between the scalene muscles.