How are nerve blocks performed in the reduction of shoulder dislocations?

Updated: Aug 17, 2018
  • Author: Anantha K Mallia, DO, FACEP; Chief Editor: Erik D Schraga, MD  more...
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The authors performed the nerve blocks using a linear array probe to identify the brachial plexus in the neck between the anterior and middle scalene muscles on the same side as the dislocated shoulder. [32, 33] The brachial plexus appears as three anechoic circles when viewed in the short axis. A 20- or 21-gauge 1.5-cm noncutting spinal needle was used to inject 20-30 mL of 1% lidocaine with or without epinephrine or 0.25% bupivacaine. Full loss of sensory and motor function of the arm was achieved in most patients after 15-30 minutes.

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