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[Acute headache--diagnostic considerations].

S H Bø1, G Bråthen, E Dietrichs

  • 1Nevrologisk avdeling Sentralsykehuset i Akershus 1474 Nordbyhagen. s-hill-b@online.no

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|February 24, 2001
PubMed
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Sudden, severe headaches require immediate medical evaluation to rule out serious conditions like subarachnoid hemorrhage (SAH). Diagnostic imaging and lumbar puncture are key to accurate diagnosis and timely treatment.

Area of Science:

  • Neurology
  • Emergency Medicine
  • Diagnostic Imaging

Background:

  • Acute headache is a common but potentially serious presenting symptom.
  • Patients may describe sudden, severe headaches as the worst of their lives.
  • Differential diagnosis includes subarachnoid hemorrhage (SAH), meningitis, and stroke.

Observation:

  • Clinical examination must be followed promptly by cerebral computed tomography (CT).
  • CT scans detect 95% of SAHs if performed within 24 hours of onset.
  • If CT is negative, lumbar puncture is indicated, ideally 12 hours post-onset, unless meningitis is suspected.

Findings:

  • Spectrophotometry of cerebrospinal fluid enhances diagnostic accuracy for SAH.
  • Early CT and timely lumbar puncture are critical for diagnosing acute headache causes.

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  • Prompt evaluation is essential for conditions presenting as acute, severe headaches.

    • Implications:

    • This diagnostic approach aids in rapidly identifying and managing life-threatening causes of acute headache.
    • Accurate and timely diagnosis of SAH and other serious conditions improves patient outcomes.
    • Understanding these diagnostic pathways is crucial for emergency physicians and neurologists.