Emergency Severity Index (ESI): A Triage Tool for Emergency Departments

Authors and Contributors

Authors and Contributors


Nicki Gilboy RN, MS, CEN, FAEN
Associate Chief Nursing Officer for Emergency Medicine
University of Massachusetts Memorial Medical Center
Worcester, MA

Paula Tanabe, PhD, MSN, MPH, RN
Associate Professor
Schools of Nursing and Medicine
Duke University
Durham, NC

Debbie Travers, PhD, RN, FAEN, CEN
Assistant Professor, Health Care Systems and Emergency Medicine
Schools of Nursing and Medicine
University of North Carolina
Chapel Hill, NC

Alexander M. Rosenau, DO, CPE, FACEP
Senior Vice Chair, Department of Emergency Medicine
Lehigh Valley Health Network, Allentown, PA, and
Associate Professor of Medicine
University of South Florida, Tampa, FL, and
Co-Medical Director, Eastern EMS Council


Cathleen Carlen-Lindauer, RN, MSN, CEN
Clinical Nurse Specialist
Department of Emergency Medicine
Johns Hopkins Hospital
Baltimore, MD
Formerly from The Lehigh Valley Hospital and Health Network
Allentown, PA

Susan McDaniel Hohenhaus MA, RN, CEN, FAEN
Executive Director
Emergency Nurses Association and ENA Foundation
Des Plaines, IL
Formerly of Hohenhaus & Associates, Inc.
Wellsboro, PA and Chicago, IL

David Eitel, MD, MBA
Physician Advisor, Case Management
Wellspan Health System
York, PA

Jessica Katznelson, MD
Assistant Professor
Division of Pediatric Emergency Medicine
School of Medicine
Department of Pediatrics
University of North Carolina at Chapel Hill

Nancy Mecham, APRN, FNP, CEN
Clinical Nurse Specialist
Emergency Department and Rapid Treatment Unit
Primary Children's Medical Center
Salt Lake City, UT

Valerie Rupp, RN, MSN
Lehigh Valley Health Network
Allentown, Pennsylvania

Anna Waller, ScD
Associate Professor
Department of Emergency Medicine
School of Medicine
University of North Carolina at Chapel Hill

Richard Wuerz, MD (deceased)
Attending Physician
Associate Research Director
Department of Emergency Medicine
Brigham and Women's Hospital
Boston, MA, and
Assistant Professor of Medicine (Emergency Medicine)
Harvard Medical School
Boston, MA

The ESI Triage Research Team would like to thank Dr. David Eitel for his foundational contributions to the ESI, including development of the algorithm and the conceptual model, and his continued focus on translating ESI research into practice, especially in emergency department operations. Thank you, Dave.

At the time of his death Dr. Wuerz was an Attending Physician, Associate Research Director, Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA, and Assistant Professor of Medicine (Emergency Medicine), Harvard Medical School, Boston, MA.

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Page last reviewed October 2014
Page originally created September 2012
Internet Citation: Authors and Contributors. Content last reviewed October 2014. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/systems/hospital/esi/esicontrib.html