M141-1

Throat: β-hemolytic group A streptococcus  – Shipped May 2014

HISTORY

This challenge was sent to category A, B, and C laboratories. The sample was a simulated throat swab obtained from an 8 year old patient with pharyngitis and allergic to penicillin.

Laboratories were expected to report the presence of Group A Streptococcus and to perform susceptibility testing in view of the history of penicillin allergy.

MAIN EDUCATIONAL POINTS from M141-1

  1. It is important to perform appropriate antimicrobial susceptibility testing even on isolates from non-invasive infections when penicillin allergy is indicated.

Full critique (PDF)

Posted in Clinical Bacteriology Results, critiques