The difference between subarachnoid anesthesia and epidural anesthesia

Hello, Spinal anaesthesia is the abbreviation of subarachnoid anaesthesia, that is, local anesthesia is injected into the subarachnoid space through the lumbar intervertebral space to block the nerve roots in that part. Epidural anesthesia is performed by puncturing the epidural space with a special puncture needle and inserting an anesthesia tube. The local anesthetic is injected into the epidural space through the anesthesia tube to temporarily anesthetize the spinal nerve roots and play a role.

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