Bacterial meningitis lumbar puncture

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aysha Anwar, M.B.B.S[2]

Overview

Lumbar puncture

Indications of lumbar puncture

Findings of lumbar puncture in bacterial meningitis

Following CSF findings may suggest bacterial meningitis:

  • A pressure of over 180 mmH2O
  • CSF cell count in 1000s.
  • Granulocytes > lymphocytest
  • Elevated protein may range between 100-500mg/dl
  • Glucose ratio(CSF/plasma)<0.3
  • CSF lactate >2.1mmol/l

Contraindications of lumbar puncture

References


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