Author
Alex Koyfman, MD Assistant Professor, Department of Emergency Medicine, University of Texas Southwestern Medical Center, Parkland Memorial Hospital
Alex Koyfman, MD is a member of the following medical societies: American Academy of Emergency Medicine, American College of Emergency Physicians, Society for Academic Emergency Medicine
Disclosure: Nothing to disclose.
Coauthor(s)
Brit J Long, MD Associate Professor, Department of Military and Emergency Medicine, Uniformed Services University of the Health Sciences; Staff Physician, Department of Emergency Medicine, Associate Program Director - Research, San Antonio Uniformed Services Health Education Consortium
Brit J Long, MD is a member of the following medical societies: American Academy of Emergency Medicine, American College of Emergency Physicians, Society for Academic Emergency Medicine
Disclosure: Nothing to disclose.
Specialty Editor Board
Francisco Talavera, PharmD, PhD Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference
Disclosure: Received salary from Medscape for employment. for: Medscape.
Jeter (Jay) Pritchard Taylor, III, MD Assistant Professor, Department of Surgery, University of South Carolina School of Medicine; Attending Physician / Clinical Instructor, Compliance Officer, Department of Emergency Medicine, Prisma Health Richland Hospital
Jeter (Jay) Pritchard Taylor, III, MD is a member of the following medical societies: American Academy of Emergency Medicine, American College of Emergency Physicians, American Medical Association, Columbia Medical Society, Society for Academic Emergency Medicine, South Carolina College of Emergency Physicians, South Carolina Medical Association
Disclosure: Serve(d) as a director, officer, partner, employee, advisor, consultant or trustee for: Employed contractor - Chief Editor for Medscape.
Chief Editor
Gil Z Shlamovitz, MD, FACEP Professor of Clinical Emergency Medicine, Keck School of Medicine of the University of Southern California; Chief Medical Information Officer, Keck Medicine of USC
Gil Z Shlamovitz, MD, FACEP is a member of the following medical societies: American College of Emergency Physicians
Disclosure: Nothing to disclose.
Additional Contributors
Jerry R Balentine, DO, FACEP, FACOEP Vice President, Medical Affairs and Global Health, New York Institute of Technology; Professor of Emergency Medicine, New York Institute of Technology College of Osteopathic Medicine
Jerry R Balentine, DO, FACEP, FACOEP is a member of the following medical societies: American College of Emergency Physicians, New York Academy of Medicine, American College of Osteopathic Emergency Physicians, American Association for Physician Leadership, American Osteopathic Association
Disclosure: Nothing to disclose.
Michael D Lanigan, MD Attending Physician, Department of Emergency Medicine, Administrative Section, State University of New York Downstate Medical Center
Michael D Lanigan, MD is a member of the following medical societies: American College of Emergency Physicians, Society for Academic Emergency Medicine
Disclosure: Nothing to disclose.
Acknowledgements
The authors and editors of Medscape Reference gratefully acknowledge the contributions of previous authors, Robert Ringelheim, MD, Mark A Silverberg, MD, and Norma Jean Johnson-Villanueva, MD, to the development and writing of this article.