How to determine the puncture point for general epidural needle anesthesia

In clinical epidural anesthesia operations, the C7-L5 intervertebral space is generally selected for puncture. Generally, those above T6 are referred to as high epidural. High epidural anesthesia has a higher risk and is generally not used now. In addition, sacral block is also an epidural anesthesia.

For the heel, generally choose the L3-4 gap puncture, and a tube can be placed at the tail end. L4-5 puncture may be difficult.

The effect of epidural anesthesia is to block several segments of the spinal nerve. For example, if you choose L3-4 puncture, the anesthesia level is generally around T12-S1.

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