CSF Studies

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Tests

Standard Tube 1: Gram stain and culture

Tube 2: Protein and glucose

Tube 3: Cell count w diff

Tube 4: Hold

Additional

  1. Cryptoccal ag
  2. India ink
  3. AFB PCR
  4. RPR, VRDL
  5. Fungal cx
  6. viral cx
  7. Herpes PCR
  8. LDH
    1. >40 suggests bacterial meningitis
    2. <40 suggests viral

Correction

  • Protein
    • For each 1000 RBC decrease protein value by 1mg/dl
  • WBC
    • Actual WBC = Counted WBC - (RBCcsf X (WBCblood/RBC blood)

See Also

CT Before Lumbar Puncture

Source

7/2/09 PANI