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  Indian J Med Microbiol
 

Figure 4: Interscalene view, lateral to midline and cephalad to supraclavicular view. Able to visualize “traffic light” with C5 nerve root the most superficial and bordered by the anterior scalene (anteromedial) and middle scalene (posterolateral) muscles. Carotid artery visualized medially

Figure 4: Interscalene view, lateral to midline and cephalad to supraclavicular view. Able to visualize “traffic light” with C5 nerve root the most superficial and bordered by the anterior scalene (anteromedial) and middle scalene (posterolateral) muscles. Carotid artery visualized medially