You are asked to interpret a lumbar puncture to guide therapy for a 64-year-old female who was admitted with confusion | Medibuddy
16th August 2024

You are asked to interpret a lumbar puncture to guide therapy for a 64-year-old female who was admitted with confusion

You are asked to interpret a lumbar puncture to guide therapy for a 64-year-old female who was admitted with confusion, fever, and headache. She has a past medical history of type 2 diabetes.

CSF appearance Clear
Red cells 19 (0-10)
White cells 1623 (0-5)
Differential 89% polymorphonuclear cells
Protein 1.78 (0.15-0.45)
Glucose 4.3 (serum 9.7) (~ >60% of serum)

Which is the single most likely causative organism?

Select the SINGLE most appropriate option from the list below. Select ONE option only.

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