• Help patients and providers
  • Allow dynamic monitoring of simple physiologic signs and location
  • Improve communication of patient data
  • Allocate resources accordingly
  • Experiment with new technologies
  • Evaluate in real setting


  • Disaster situation: scale-up known processes
  • Portable ED, remote management
  • Continuous indoor and outdoor location of patients, providers, materials
  • Continuous monitoring (2-lead EKG and oximeter) with alerts
  • Mobile decision support (case prioritization, additional resource requests, referrals, diversions)


  • Patient: PDA with monitoring, location device (cricket)
  • Provider: PDA, location device (cricket)
  • Material: location device (RFID)
  • Workstations at ED (Partners)
  • Wireless network (802.11b)

3 Phases (Years)

  • Development and testing
  • Get IRB approval for use in hospital
  • Collect control data on utilization and mobility patterns
  • Implementation in ED
  • Integrate with ED information system
  • Hire paramedic for a monitoring station
  • Patients in waiting room with chest pain or respiratory complaints
  • Evaluation in ED
  • Need about 8 patients/weekday 9am-5pm for 50 weeks
  • Up to 16 patients/day
  • Consider controls here (non-historical)

Outcomes to Evaluate

  • Compliance with system
  • Accuracy of the monitoring
  • System downtime
  • Waiting time in ER
  • Appropriateness of alarms
  • No satisfaction survey will be done

Division of Work

  • MIT develops monitoring (alerts), location system, network architecture, and corresponding databases
  • BWH does integration with HIS, resource allocation decision support, and evaluation
  • Both: ambulance system