A regional anaesthetic blocks the transmission of pain along a nerve or group of nerves. The anaesthetic is injected around targeted nerves, and you remain awake throughout the procedure. Regional anaesthesia can be used in many parts of the body. A spinal nerve block, shown here, anaesthetizes the whole of the lower body below the site of injection.
From the 2010 revision of the Complete Home Medical Guide © Dorling Kindersley Limited.
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