Analysis of min-max ambulance diversion policies using queuing theory

Adrian Ramirez Nafarrate, John Fowler, Esma Gel, Teresa Wu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations


Ambulance Diversion is a method applied by decision makers in Emergency Departments to relieve congestion from their facilities. It is a challenging task to make the decision since there exists some trade offs. For example, diverting ambulances from an overcrowded emergency department could reduce the waiting time of accepted patients in the long term; however, managers may want to minimize the time spent on diversion due to risks of patient condition deterioration from the longer transportation and due to reputation loss. This paper analyzes the impact of ambulance diversion policies based on min-max rules on conflicting performance measures. Models based on queuing theory are applied to analyze solutions in bi-criteria space under different congestion levels and consideration of the sensitivity of input parameters.

Original languageEnglish (US)
Title of host publicationIIE Annual Conference and Expo 2010 Proceedings
PublisherInstitute of Industrial Engineers
StatePublished - 2010
EventIIE Annual Conference and Expo 2010 - Cancun, Mexico
Duration: Jun 5 2010Jun 9 2010


OtherIIE Annual Conference and Expo 2010


  • Ambulance diversion
  • Queuing analysis
  • Waiting time

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering


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