What is the role of lumbar puncture in the workup of delirium, dementia, and amnesia?

Updated: Sep 19, 2018
  • Author: Richard D Shin, MD; Chief Editor: Gil Z Shlamovitz, MD, FACEP  more...
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Answer

Lumbar puncture to obtain CSF for analysis should be considered in certain circumstances, including the following:

  • To rule out SAH not seen on CT scan

  • To diagnose CNS infections such as encephalitis or meningitis


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