See below: A lumbar sympathetic block is an injection of local anesthetic into or around the sympathetic nerves. These sympathetic nerves are a part of the sympathetic nervous system. The nerves are located on the either side of spine, in the lower back. Normally these nerves control basic functions like regulating blood flow. In certain conditions, these sympathetic nerves can carry pain information.
Answered 1/3/2013
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Sympathetic block: A lumbar sympathetic block is an injection of local anesthetic around the sympathetic nerves. These sympathetic nerves are a part of the sympathetic nervous system. The nerves are located on the either side of spine, in the lower back.
Answered 9/1/2013
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