CSF Interpretation


Untitled pictureNotes about LP and CSF

  • Traumatic tap (collect 3 consecutive samples at time)– if red cell count is spuriously high, it is often a misnomer due to traumatic tap- White cells are more important
  • DO NOT perform LP where there is raised intracranial pressure (clinically or radiologically)
    • e.g. in headache with focal neurological signs
    • e.g. in headache worse bending forward, with vomiting etc
    • e.g. where there is evidence of herniation or raised ICP on scanning

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