Lumbar puncture needle used for what aspects of examination?

Lumbar puncture is a diagnostic or therapeutic medical procedure. It can be used to detect cerebrospinal fluid pressure, test, inject contrast media or drugs, and also diagnose or treat diseases of the brain, spinal cord, and meninges. There are diagnostic lumbar piercings and therapeutic lumbar piercings. During the puncture, the patient is placed in a lateral position with the head bent toward the chest and both knees bent toward the abdomen. The space between the third and fourth lumbar vertebrae was selected as the puncture point. After local anesthesia, the puncture needle can be used to slowly prick the person and collect cerebrospinal fluid for examination. After the puncture, the patient should continue to lie on his side for a period of time to see if there is any abnormal reaction.

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