Total spinal anesthesia needle

Total spinal anesthesia is the most serious complication of epidural anesthesia, mainly due to the fact that the puncture needle strayed into the subarachnoid space during epidural puncture and was not found. The amount of local anesthetic required for epidural anesthesia It is much larger than that of subarachnoid anesthesia, so the injection of a large amount of local anesthetic into the subarachnoid space causes total spinal anesthesia. The patient may experience respiratory arrest, drop in blood pressure, and even loss of consciousness within a few minutes. If it is found not in time or handled improperly, it can lead to cardiac arrest. Total spinal anesthesia is the most serious complication of epidural anesthesia. In the event of total spinal anesthesia, artificial respiration should be performed immediately, the infusion should be accelerated, and vasoconstrictors should be injected intravenously to maintain normal blood pressure. If cardiac arrest occurs, cardiopulmonary resuscitation should be performed immediately. Preventive measures include the injection of drugs after epidural transcatheter infusion before withdrawal of cerebrospinal fluid; first give a test dose of 3～5ml and observe for 5～10 minutes. If there is no local anesthetic injection into the subarachnoid space by mistake, then Continue to inject medicine.

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