When should a lumbar puncture (LP) be avoided?

Updated: Aug 02, 2018
  • Author: Gil Z Shlamovitz, MD, FACEP; Chief Editor: Helmi L Lutsep, MD  more...
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Until further data are available, a reasonable approach would be to avoid lumbar puncture when the disease process has progressed to the point where neurologic findings associated with impending cerebral herniation (deteriorating level of consciousness and brainstem signs including pupillary changes, posturing, irregular respirations, and very recent seizure) are seen. [11, 12]

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