What are the IDSA guidelines for screening head CT scanning before lumbar puncture (LP) in adults with suspected meningitis?

Updated: Jul 16, 2019
  • Author: Rodrigo Hasbun, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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According to the Infectious Diseases Society of America guidelines, the following are indications for screening head CT before LP in adult patients [23] :

  • Immunocompromised state

  • History of CNS disease (eg, mass lesion, stroke, or focal infection)

  • Seizure within 1 week of presentation

  • Papilledema

  • Abnormal level of consciousness

  • Focal neurologic deficit (eg, dilated nonreactive pupil, gaze palsy, or arm or leg drift)

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