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28th May 2025

A 29 year old man presents with headache, fever and confusion.

A 29 year old man presents with headache, fever and confusion. He has a background in IVDU. CT head is normal, and the lumbar puncture shows the following results:
Opening pressure 28 mmH₂0 (normal < 25)
Microscopy Awaited
White cell count 180 cells/µL – lymphocytes 95% (normal 0-5)
Protein 195 mg/dL (normal < 45)
CSF glucose 2.3 mmol/L (normal 2.5-4.4)
Serum glucose 8.0 mmol/L

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