Peds CSF analysis Question

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Disinence2

Emergency Medicine
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Hello,

I have an oral exam coming up and was given some questions to prepare. We were given some sets of CSF findings and asked to interpret them. The first was a straightforward bacterial meningitis with low glucose, increased protein and high polys. The 2nd was viral with high lymphs, normal glucose and slightly increased protein. This is the 3rd set.

6 month old Infant with Fever, Anorexia and Vomiting

CSF Shows

WBC 40 80% polys, 20% lymph
RBC 4000
Glucose 55
Protein 45

What is your interpretation?

Bacterial with Traumatic tap? Although wouldn't the WBCs be a little low?

Partially treated bacterial meningitis?

TB or Fungal meningitis?

HSV encephalitis?

Bacterial abscess formation with hemorrhage?

Any advice would be greatly appreciated! I have included all of the information we were given.

Thanks!

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