Epidural needle anesthesia steps

Epidural anesthesia should first open the venous access after the patient enters the operating room, connect to the routine blood oxygen, blood pressure and electrocardiogram monitoring, and observe the patient's heart rate and blood pressure. The patient turns from a supine position to a lateral position, with the head and knees curled toward the middle, and the thighs close to the stomach as much as possible. After the puncture gap is determined on the back, sterile towels are placed on the back, local anesthesia is performed, and the puncture starts in the corresponding intervertebral space. The puncture needle passes through the skin, subcutaneous, supraspinous ligament, interspinous ligament, and ligamentum flavum in turn to reach the epidural space. At this time, you can often feel the sensation of the syringe being pushed empty, insert the epidural catheter, and withdraw the puncture needle. It is left in the epidural space, and after the catheter is fixed, the patient can be turned to the supine position, and the drug can be given in batches through the catheter. First, give a test dose of 3-5ml to observe whether the patient has general spinal anesthesia, etc., then give the full amount of epidural drugs, measure the anesthesia level, and start the operation when the anesthesia level reaches the surgical requirements.

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