Ted Warkentin
Professor, Pathology & Molecular Medicine

Dr. Ted Warkentin is Professor in the Department of Medicine and the Department of Pathology and Molecular Medicine at the Michael G. DeGroote School of Medicine, McMaster University, in Hamilton, Ontario, Canada. He is also Regional Director, Transfusion Medicine, of the Hamilton Regional Laboratory Medicine Program and Hematologist, Service of Clinical Hematology, at Hamilton Health Sciences, also in Hamilton.

Dr. Warkentin received both his Bachelor of Science (in Medicine) and his M.D. from the University of Manitoba in Winnipeg, Manitoba, Canada. He completed a hematology research fellowship at McMaster University (supervisor: Dr. John G. Kelton) and postgraduate work in medicine and hematology at the University of Toronto and McMaster University, respectively.

Dr. Warkentin is a Fellow of the Royal College of Physicians and Surgeons of Canada, and of Edinburgh, as well as of the American College of Physicians. He was awarded the XVth Jean Julliard Prize at the XXIVth Congress of the International Society of Blood Transfusion (Makuhari, Japan; in 1996), and was a Co-Winner (with Prof. Kelton) of the 2015 Prix Galien Canada, the highest award for Canadian scientists who have made significant advances in pharmaceutical research. He is also the 2018 recipient of the Stephen Garnett Distinction Award, given to a Hamilton Health Sciences physician for exemplary medical service, education, and research.

Dr. Warkentin is the former Chair (four-year term ending 2007) of the Platelet Immunology Committee of the Scientific and Standardization Committee (International Society on Thrombosis and Haemostasis), and was the Chair of the 2004 and 2008 consensus conference guidelines on heparin-induced thrombocytopenia, written under the aegis of the American College of Chest Physicians (ACCP). Dr. Warkentin also devised the "4Ts scoring system", a widely used approach to estimate pretest probability of HIT.

Additionally, Dr. Warkentin has co-edited 5 editions of the book, Heparin-induced Thrombocytopenia (the 5th edn was published in 2013), and has published (or in press): 99 book chapters, 338 peer-reviewed articles, and 158 peer-reviewed abstracts. His work has appeared in professional journals such as Blood (the Journal of the American Society of Hematology [ASH]), The Lancet, the New England Journal of Medicine, American Journal of Medicine, American Journal of Hematology, and Annals of Internal Medicine.
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