What is a brachial plexus block?
A brachial plexus block is a shot of numbing medicine around the group of nerves between your spine and your shoulder. The shot usually goes into your neck or just above your collarbone. Sometimes it goes into the armpit.
This kind of nerve block may be used for some procedures on the shoulder, arm, or hand. It numbs the area during the procedure and can help control pain afterward.
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