Autonomic Nerve Block |
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| Autonomic Nerve Blocks; Block, Autonomic Nerve; Block, Sympathetic Nerve; Blocks, Autonomic Nerve; Blocks, Sympathetic Nerve; Nerve Block, Autonomic; Nerve Block, Sympathetic; Nerve Blocks, Autonomic; Nerve Blocks, Sympathetic; Sympathetic Nerve Blocks | |
| Interruption of sympathetic pathways, by local injection of an anesthetic agent, at any of four levels: peripheral nerve block, sympathetic ganglion block, extradural block, and subarachnoid block. | |