GS154-2

Gram – CSF: 4+ (>10/oif) neutrophils; 3+ (11-50/oif) gram negative diplococci (Neisseria meningitidis) – Shipped February 15, 2016

HISTORY

A simulated CSF smear collected from a 22 year old patient experiencing confusion was sent to category A, B, C, and C1 laboratories.

Participants were expected to report the presence of gram negative diplococci and neutrophils.

MAIN EDUCATIONAL POINTS from GS154-2

  1. The Gram stain can provide rapid diagnostic information to clinicians.
  2. The information is useful both on the level of confirming a bacterial (rather than viral) cause of meningitis and indicating the probable bacterial species causing the infection.
  3. The Gram stain information may be useful to public health services if the culture is negative.

Full critique (PDF)

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