Nerve Block

A group of nerves, called a plexus or ganglion, can cause pain to a specific organ or body region.  These nerves can be blocked with the injection of medication.  The injection of this nerve-numbing substance is called a nerve block.  There are two types of nerve blocks:  therapeutic and diagnostic.  Therapeutic nerve blocks are used to control acute pain.  Diagnostic nerve blocks are used to determine sources of pain. These blocks typically contain an anesthetic with a known duration of relief.  There are many different types of nerve blocks. 

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