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GS174-2

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Gram – CSF: 3+ (6-10/oif) neutrophils, 3+ (11-50/oif) gram negative coccobacilli (Haemophilus influenzae)- Shipped February 13, 2018 –

HISTORY

A simulated CSF smear collected from a 6 month old female was sent to category A, B, C, and C1 laboratories.
Participants were expected to report the presence neutrophils and gram negative coccobacilli.

MAIN EDUCATIONAL POINTS from GS174-2

  1. Gram stain examination may help to identify potential causes of bacterial meningitis, but negative results do not rule out a bacterial etiology.
  2. Bacterial cells may not be visible if antibiotics have been administered prior to lumbar puncture

 

Full critique (PDF)

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