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Brachial plexus elements assessed by the median-D2 sensory NCS

The median-D2 sensory NCS assesses the median nerve, the lateral cord, the upper and middle trunks, the C6 and C7 anterior primary rami, and the C6 and C7 DRG elements of the brachial plexus. The heavy lines show the predominant pathway. (Modified from Ferrante and Wilbourn 1995, with permission.)

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