mass casualty

Disaster with fatalities

Mass casualty describes an incident producing more victims than local emergency services can handle with normal resources.

The term appears in disaster planning and emergency medicine: mass casualty event, mass casualty incident.

It doesn't specify a number—what overwhelms a rural clinic differs from what overwhelms a major trauma center.

The hospital activated its mass casualty protocol after the explosion.

Opposites
outcome type

mass casualtymass evacuation

Organized large-scale departure

event occurrence

mass casualtynear miss

Narrowly averted incident

all clear · non-event

Family

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Used worldwide · Timeless · Negative · Rated PG-13