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Altered Standards of Care in Mass Casualty Events

Public Health Emergency Preparedness

This resource was part of AHRQ's Public Health Emergency Preparedness (PHEP) program, which was discontinued on June 30, 2011, in a realignment of Federal efforts.

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Exhibit B1. Operation of the Modular Emergency Medical System (MEMS)

Chart depicting the operation of MEMS. Go to Text Description [D] for details.

[D] Select for Text Description.

Source: U.S. Army Soldier and Biological Chemical Command. Modular Emergency Medical System: Expanding Local Healthcare Structure in a Mass Casualty Incident. June 2002. Retrieved Aug. 17, 2004, from

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