Lumbar puncture in patients with acute severe headache

Chris Gyan1, Monica Monaghan2, Shiva Sreenivasan3

  • 1Specialty registrar in neurology and general (internal) medicine, Wessex Neurological Centre, Southampton General Hospital, Southampton, Clinical teacher, University of Southampton School of Medicine.

Acute Medicine
|July 16, 2026
PubMed
Summary

Caution is advised when interpreting the diagnostic yield of lumbar puncture (LP) for acute severe headache. Newer neuroimaging techniques may influence the interpretation of LP results in diagnosing subarachnoid hemorrhage (SAH).