Sheldon Cheskes


Scientist, Li Ka Shing Knowledge Institute

Research Programs


Please note Dr. Cheskes will not be taking any summer students in 2019.

Dr. Sheldon Cheskes is the Medical Director, Regions of Halton and Peel, Sunnybrook Centre for Prehospital Medicine. Dr. Cheskes graduated from the University Of Toronto School Of Medicine in 1984 and served as Divisional Chief, Emergency Medicine Peel Memorial Hospital from 1986-2006. He has an academic appointment as an Associate Professor, Department of Family and Community Medicine, Division of Emergency Medicine at the University of Toronto. He has a research appointment as a scientist at the Li Ka Shing Knowledge Institute, St. Michaels Hospital, University of Toronto. He is the CO PI for the Toronto site of the Resuscitation Outcomes Consortium (ROC) as well as co-chair of the ROC study monitoring committee. Dr. Cheskes is recognized as an authority in the area of CPR quality and has spoken and published extensively in the area of cardiac arrest resuscitation. His other research interests include prehospital airway management and prehospital systems of myocardial infarction care.

Recent Publications

  1. Schmicker, RH, Nichol, G, Callaway, CW, Cheskes, S, Sopko, G, Wang, HE et al.. Study Monitoring in Emergency Care Trials: Lessons from the Resuscitation Outcomes Consortium Continuous Chest Compressions Trial. Acad Emerg Med. 2019;26 (10):1152-1157. doi: 10.1111/acem.13810. PubMed PMID:31148319 .
  2. Cheskes, S, Vaillancourt, C. Multiple shocks or early transfer for shock refractory ventricular fibrillation?. CJEM. 2019;21 (3):315-317. doi: 10.1017/cem.2019.23. PubMed PMID:31115289 .
  3. Cheskes, S, Wudwud, A, Turner, L, McLeod, S, Summers, J, Morrison, LJ et al.. The impact of double sequential external defibrillation on termination of refractory ventricular fibrillation during out-of-hospital cardiac arrest. Resuscitation. 2019;139 :275-281. doi: 10.1016/j.resuscitation.2019.04.038. PubMed PMID:31059670 .
  4. Shuvy, M, Koh, M, Qiu, F, Brooks, SC, Chan, TCY, Cheskes, S et al.. Health care utilization prior to out-of-hospital cardiac arrest: A population-based study. Resuscitation. 2019;141 :158-165. doi: 10.1016/j.resuscitation.2019.04.033. PubMed PMID:31039392 .
  5. Wong, GC, Welsford, M, Ainsworth, C, Abuzeid, W, Fordyce, CB, Greene, J et al.. 2019 Canadian Cardiovascular Society/Canadian Association of Interventional Cardiology Guidelines on the Acute Management of ST-Elevation Myocardial Infarction: Focused Update on Regionalization and Reperfusion. Can J Cardiol. 2019;35 (2):107-132. doi: 10.1016/j.cjca.2018.11.031. PubMed PMID:30760415 .
  6. Lane, DJ, Wunsch, H, Saskin, R, Cheskes, S, Lin, S, Morrison, LJ et al.. Association Between Early Intravenous Fluids Provided by Paramedics and Subsequent In-Hospital Mortality Among Patients With Sepsis. JAMA Netw Open. 2018;1 (8):e185845. doi: 10.1001/jamanetworkopen.2018.5845. PubMed PMID:30646296 PubMed Central PMC6324346.
  7. Okubo, M, Schmicker, RH, Wallace, DJ, Idris, AH, Nichol, G, Austin, MA et al.. Variation in Survival After Out-of-Hospital Cardiac Arrest Between Emergency Medical Services Agencies. JAMA Cardiol. 2018;3 (10):989-999. doi: 10.1001/jamacardio.2018.3037. PubMed PMID:30267053 PubMed Central PMC6233822.
  8. Lipowicz, AA, Cheskes, S, Gray, SH, Jeejeebhoy, F, Lee, J, Scales, DC et al.. Incidence, outcomes and guideline compliance of out-of-hospital maternal cardiac arrest resuscitations: A population-based cohort study. Resuscitation. 2018;132 :127-132. doi: 10.1016/j.resuscitation.2018.09.003. PubMed PMID:30201534 .
  9. Salcido, DD, Schmicker, RH, Kime, N, Buick, JE, Cheskes, S, Grunau, B et al.. Effects of intra-resuscitation antiarrhythmic administration on rearrest occurrence and intra-resuscitation ECG characteristics in the ROC ALPS trial. Resuscitation. 2018;129 :6-12. doi: 10.1016/j.resuscitation.2018.05.028. PubMed PMID:29803703 .
  10. Kurz, MC, Schmicker, RH, Leroux, B, Nichol, G, Aufderheide, TP, Cheskes, S et al.. Advanced vs. Basic Life Support in the Treatment of Out-of-Hospital Cardiopulmonary Arrest in the Resuscitation Outcomes Consortium. Resuscitation. 2018;128 :132-137. doi: 10.1016/j.resuscitation.2018.04.031. PubMed PMID:29723609 .
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Affiliations & Other Activities

  • Associate Professor, Department of Family and Community Medicine, Division of Emergency Medicine, University of Toronto
  • Medical Director, Sunnybrook Centre for Prehospital Medicine