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In 2001, MARCER implemented EMSystem, a web-based program that provides real-time information on hospital emergency department diversion status, hospital patient capacity, availability of staffed beds and available specialized treatment capabilities.

EMSystem is used to coordinate both routine and emergency medical operations (such as mass casualty incidents) throughout the region. The Johnson County Emergency Communications Center, MAST and Lee’s Summit Fire Department serve as EMSystem Coordination Centers (EMCCs) and manage daily EMSystem coordination.

Participating hospitals update their emergency department status at defined intervals, and a regional status screen displays the status of each hospital in the region. EMSystem displays emergency room status in one of several categories:

  • Open
  • Closed to ambulances
  • Trauma diversion
  • Trauma only
  • Forced open
  • Out of service

When an emergency room is closed, EMS providers must divert patients to another hospital. More on ambulance diversion >