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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Reg Anesth Pain Med. 2009 Jan–Feb;34(1):60–63. doi: 10.1097/AAP.0b013e3181933af7

FIGURE 1.

FIGURE 1

A, The patient is placed in the right lateral decubitus position. The junction of the levator scapulae and trapezius muscles is identified by the “V.” B, A 1 7-gauge Tuohy-tip needle is directed under in-plane ultrasound guidance through the middle scalene muscle toward the brachial plexus.