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Exhibit 2. Determinants of Surge Capacity (Text Description)

This flow chart starts at the left with the “event” followed by “pre-hospital management.” The flow continues to “surge arrivals,” which continues into “hospital or network capacity,” a circle that serves as the focal point of the chart. From there, one arrow splits. One branch goes to “beds' then on to “staff” and “medical supplies,” then back to “hospital or network capacity.” Another arrow circles directly back to “hospital or network capacity.” Arrows leaving the circle go to “home,” “treated,” “died,” “SNF,” and “surge discharge” (which has an asterisk). The latter continues to “out-of-region facility.”

The asterisk is explained in a footnote: “I am indebted to Sam Benson, EMT-P, New York City Office of Emergency Management for the notion of 'surge discharge.'”

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