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Chronic daily headache: when to suspect meningitis

Larry E Davis1, Joanna G Katzman

  • 1Chief Neurology Service, New Mexico VA Health Care System, 1501 San Pedro Drive SE, Albuquerque, NM 87108, USA. LEDavis@unm.edu

Current Pain and Headache Reports
|April 18, 2008
PubMed

Insights

Bacterial meningitis can be missed in emergency settings, leading to adverse outcomes. Early identification through careful history, physical exam, and cerebrospinal fluid (CSF) analysis is crucial for timely diagnosis and treatment.

Area of Science:

  • Neurology
  • Infectious Diseases

Background:

  • Headaches are a common reason for medical visits, with primary headaches being most frequent.
  • Serious secondary headaches, like meningitis, account for a significant percentage of emergency department visits for headache in children and adults.
  • Bacterial meningitis can be initially overlooked by primary care and emergency physicians, delaying diagnosis and treatment.

Purpose of the Study:

  • To highlight the importance of considering meningitis in headache differential diagnoses.
  • To outline key historical and physical examination findings indicative of meningitis.
  • To emphasize the diagnostic role of cerebrospinal fluid (CSF) analysis.

Main Methods:

  • Review of clinical information obtainable from patient history and physical examination.
  • Discussion of diagnostic criteria for meningitis.
  • Guidance on interpreting cerebrospinal fluid (CSF) findings, particularly pleocytosis.

Main Results:

  • Specific patient-reported symptoms and examination findings can suggest meningitis.
  • Lumbar puncture with CSF examination is the definitive diagnostic test.
  • CSF pleocytosis indicates inflammation and guides the differential diagnosis of meningitis types.

Conclusions:

  • Prompt recognition of potential meningitis in patients presenting with headache is critical.
  • A thorough clinical assessment combined with CSF analysis is essential for accurate and timely diagnosis.
  • Early diagnosis of meningitis is vital to prevent severe consequences.

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