Lab case 272

A 9 year old boy brought to ED by ambulance after developing a tonic-clonic seizure, it lasted for 8 minutes and was terminated by a single dose of benzos. Background of fever for 4 days and he is on amoxicillin for possible otitis media.
CSF was taken and the results are:

Colour: slightly yellowish

Cells count and differential: 660 with 20% PMN

Protein: 0.68 g/l

Glucose: 2.6 mmol/L

Culture : -ve

 

Question:

  1. Explain these results
  2. What is your differential diagnosis
  3. What are the indications for immediate antibiotics in suspected meningitis