Is a lumbar puncture the bone marrow?

Lumbar puncture is one of the commonly used clinical examination methods in neurology. It can be used to detect intracranial pressure and cerebrospinal fluid in cases of central high fever, acute ischemic brain injury, cardiac arrest, heat stroke, and high intracranial pressure. nature. Some patients think that the bone marrow is taken out by lumbar puncture, and they are worried that they will be anemia after the examination. In fact, lumbar puncture removes a small amount of cerebrospinal fluid in the central canal of the spinal cord, which has no effect on bones and blood.

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