The cost of epidural anesthesia, and the difference between ordinary local anesthesia

Epidural anaesthesia is the injection of medication into the epidural space (the potential space between the dura and the ligamentum flavum), and the diffused local anesthetic is passed through the space through the intervertebral foramen. Nerve root anesthesia. The dosage is 5 to 10 times larger than that of spinal anesthesia, the onset is slower (15 to 20 minutes), there is no damage to the dura, and it does not cause headaches after anesthesia. The epidural space is not communicated with the cranial cavity, and the injection level can be as high as the cervical spine, without paralyzing the life center of the medulla oblongata. If a catheter is placed, repeated injections can prolong the duration of anesthesia. Epidural anesthesia can anesthetize the sympathetic nerves, leading to peripheral vasodilation and myocardial depression, resulting in a drop in blood pressure.

Local anesthesia is just local anesthesia and the person is awake.

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