The retroclavicular (coracoid) approach for brachial plexus anesthesia is recognized for its facility and simplicity to perform . The block has been well described in the anesthesia community since it was first introduced by Hebbard and Royse in 2007 . In 2017, Luftig . first described the block's use in the ED setting for a variety of indications . Because of its different needle entry point, the retro clavicular (RCB) approach offers an almost perpendicular needle-ultrasound (US) beam angle.
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sensory and motor duration of block
Timeframe: 24 hours