No one ever wants to find himself in this situation. A factory explodes. A building catches fire. A multi-vehicle traffic collision. Or an act of terrorism.
Very quickly, we have to scrap business as usual. We have to adapt to our new circumstances.
Definition of a mass casualty incident (MCI):
An incident which produces multiple casualties such that emergency services, medical personnel and referral systems within the normal catchment area cannot provide adequate and timely response and care without unacceptable mortality and/or morbidity.
In other words, our demand far outpaces our resources.
"If you can hear the sound of my voice, follow me". Those patients are GREEN, minor.
Otherwise, we need a system to distinguish those who can be DELAYED, IMMEDIATE, or EXPECTANT (soon to be deceased).
Use Simple Triage and Rapid Treatment (START) for 8 or older, JumpSTART for less than 8 years of age.
For Older Children, Adolescents, and Adults (8 or greater) -- START:
For Children less than 8 years of age (Infants Use Pediatric Assessment Triangle) -- JumpSTART:
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Jensen J, Youngs G. Explaining implementation behaviour of the National Incident Management System (NIMS). Disasters. 2015 Apr;39(2):362-88. doi: 10.1111/disa.12103.
Lee JS, Franc JM. Impact of a Two-step Emergency Department Triage Model with START, then CTAS, on Patient Flow During a Simulated Mass-casualty Incident. Prehosp Disaster Med. 2015 Jun 24:1-7.
Lerner EB, Schwartz RB, Coule PL, et al. "Mass Casualty Triage: An Evaluation of the Data and Development of a Proposed National Guideline." Disaster Medicine and Public Health Preparedness 2(Suppl. 1) 2008, pp S25-S34.