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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Last to recover in spinal anaesthesia
assistant
The correct answer is  .It may be that preganglionic sympathetic fibers are more resistant to local anesthetic block than previously thought. Anesthesiologists often assume that, when a motor block is present during spinal or epidural anesthesia, sympathetic nerve transmission is blocked. Ref Robbins 9/e pg 346