What is lumbar puncture?

Lumbar puncture, the full name of lumbar puncture, is a method of measuring intracranial pressure through lumbar puncture and removing cerebrospinal fluid for examination. It can be simply divided into diagnostic lumbar puncture and therapeutic lumbar puncture.

The operation method is to bend the patient to lie on the bed (usually the left lateral position), and tuck the knees with both hands to make the lumbar kyphosis and the intervertebral space widen. Local routine disinfection, infiltration anesthesia, puncture. Generally, there is resistance when 4-5cm is pierced, and the resistance suddenly decreases. After that, the needle core is pulled out, and the cerebrospinal fluid can be seen by turning the needle tail. The cerebrospinal fluid is removed according to different purposes and specific circumstances. Finally, insert the needle core, pull out the puncture needle, fix it with a sterile gauze block, and lie supine for 4 to 6 hours without the pillow.

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