What are the side effects of epidural anesthesia needles?

There are ten main aspects of its complications. First: puncture the dura; Second: puncture needle or catheter strayed into the blood vessel. This situation is usually found in time, but sometimes the catheter opening is blocked by small blood clotting. Blood, the local anesthetic will be directly injected into the blood vessel to cause a toxic reaction; Third: air embolism, which is mainly because the puncture needle damages the epidural blood vessel. The gas injection test provides a way for gas to enter the circulation. If the air intake exceeds 10 ml, It may be fatal. Fourth: Piercing the pleura. Fifth: Broken catheter. Sixth: Total spinal anesthesia, mainly because the puncture needle or catheter strayed into the subarachnoid space. The subarachnoid space produces an abnormally extensive block, which is mainly manifested as painlessness, hypotension, loss of consciousness and respiratory arrest in all spinal nerves. These symptoms appear within a few minutes after the injection. If not treated in time, a heartbeat may occur. Stop. This is the most serious complication.

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