What is the anatomical basis of epidural anesthesia? :

Epidural anesthesia is usually performed in the lumbar 4.5 vertebral space

Lumbar 4.5 intervertebral space is flat bilateral iliac spine

The needle was inserted continuously between the bilateral iliac spine and the spinous process at the median junction of the spine

It cuts through the skin in turn

Spines on the ligament

Spine ligament between

Yellow ligament

It's the epidural. It's a breakthrough.

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