Spinal, Epidural, and Caudal Anesthesia - Segmental Level Required for Surgery

Segmental Level Required for Surgery

Knowledge of the sensory, motor, and autonomic distributions of spinal nerves will help the anesthetist determine the correct segmental level required for a particular operation and anticipate the potential physiologic effects of producing a block to that level. Figure 17.1 illustrates the dermatomal distribution of the spinal nerves.

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