Division of Emergency Medicine

Ian Preyra


Associate Clinical Professor, Division of Emergency Medicine, Department of Medicine




Education and Professional Standing

  • FRCPC Emergency Medicine, McMaster University, 2004
  • MBA, Schulich School of Business, 2003
  • MD, Queen’s University, 1999

Academic and Clinical Interests

  • Program Director, RCPSC Training Program in Emergency Medicine, McMaster University
  • Emergency Physician, St. Joseph’s Healthcare Hamilton
  • Emergency Physician, William Osler Health System
  • Trauma Team Leader, Hamilton Health Sciences
  • Investigative Coroner, Province of Ontario
  • Clinical Teaching Unit Director, William Osler Health System
  • Examiner in Emergency Medicine, RCPSC

Dr. Preyra’s interests include trauma and critical care, education, forensics and organizational behaviour. His primary non-clinical focus is on resident education, especially in the area of clinical emergency medicine.

Selected Publications

  1. Price IM, Preyra I, Fernandes CM, Woolfrey K, Worster A. Adult epiglottitis: a five-year retrospective chart review in a major urban centre. CJEM 2005 Nov;7(6):387-90.
  2. Preyra I, Worster A. Hypoglycemia in bacterial septicemia. CJEM 2003 Jul;5(4):268-70.
  3. Worster A, Preyra I, Weaver B, Haines T. The accuracy of noncontrast helical computed tomography versus intravenous pyelography in the diagnosis of suspected acute urolithiasis: a meta-analysis.  Ann Emerg Med 2002 Sep;40(3):280-6.