Regional anesthesia
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Regional anesthesia · May 1995
Case ReportsSelective musculocutaneous nerve block and infraclavicular brachial plexus anesthesia. Case report.
Regional anesthesia of the upper extremity may be achieved by the infraclavicular approach to the brachial plexus. ⋯ Stimulation of the musculocutaneous nerve in the infraclavicular region results in biceps muscle contraction. Inadequate anesthesia of the upper extremity may result due to exiting of the musculocutaneous nerve outside the axillary sheath in this region. Evidence of more distal stimulation (finger/wrist flexion) improves the likelihood of successful block of the brachial plexus by the infraclavicular route.