The Canadian Triage and Acuity Scale (CTAS) is a tool used both nationally and internationally to allow emergency departments and their staff to prioritize patient care requirements.

CTAS is currently undergoing its regular review. The revisions were published in CJEM in 2017 and the new educational materials are forthcoming. Communication regarding updated materials will be circulated to all instructors when they have been finalized. Until then, the most up-to-date content is listed below.