Events that overwhelm the resources of local HOSPITALS and health care providers. They are likely to impose a sustained demand for HEALTH SERVICES rather than the short, intense peak customary with smaller scale disasters.

Victims of multiple near-simultaneous incidents with acute and severe injuries or fatalities.

Synonyms: Casualties, Mass Mass Casualty Incident Casualty, Mass Mass Casualties Casualty Incidents, Mass Casualty Incident, Mass Mass Casualty Incidents Incident, Mass Casualty Mass Casualty Incidents, Mass Casualty