Anesthesiology Research and Practice / 2012 / Article / Fig 4

Review Article

Regional Blockade of the Shoulder: Approaches and Outcomes

Figure 4

Transverse ultrasound image of interscalene brachial plexus. Arrowheads outline brachial plexus roots within the interscalene groove. SCM: sternocleidomastoid muscle, IJ: internal jugular vein, CA: carotid artery, ASM: anterior scalene muscle, MSM: middle scalene muscle.

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