CSF Findings with Meningitis

Question 1

Bacterial Meningitis

Answer 1

Opening pressure: 200-500 mm H2O
WBCs = 80% PMNs (Normal = no predominance)
Protein (mg/dl) 100-150 (Normal (15-50))
Glucose (mg/dl) <40 (Normal 45-100)
Gram Stain % 60-90 (Normal N/A)

Question 2

Viral Meningitis

Answer 2

Opening pressure: NA 
WBCs = 50% L <20% PMN (Normal = no predominance)
Protein (mg/dl) 30-150 (Normal (15-50))
Glucose (mg/dl) 30-70 (Normal 45-100)
Gram Stain % - (Normal N/A)

Question 3

Fungal Meningitis

Answer 3

Opening pressure: >250
WBCs = 50% L (Normal = no predominance)
Protein (mg/dl) 40-150 (Normal (15-50))
Glucose (mg/dl) 30-70 (Normal 45-100)
Gram Stain % - (Normal N/A)

Question 4

TB Meningitis

Answer 4

Opening pressure: NA 
WBCs = 80% L (Normal = no predominance)
Protein (mg/dl) >50 (Normal (15-50))
Glucose (mg/dl) <40 (Normal 45-100)
Gram Stain % - 37-87 (AFB Smear) (Normal N/A)