GS134-1

Gram – CSF:  no/few white blood cells, no bacteria, and red blood cells  – Shipped February 2014

HISTORY

A simulated cerebrospinal fluid (CSF) smear collected from a 36 year old patient with severe headache was sent to category A, B, C, and C1 laboratories for Gram staining.

Participants were expected to report the ab-sence of (or few) neutrophils and no bacteria. Quantifying red blood cells (RBCs), when present, may provide additional information to clinicians.

MAIN EDUCATIONAL POINTS from GS134-1

  1. CSF Gram stains are an important component of testing to identify patients with bacterial meningitis.
  2. All CSF Gram stains should report on the presence or absence of inflammatory cells and the presence or absence of bacterial cells.

 

Full critique (PDF)

Posted in Clinical Bacteriology Results, critiques, Gram