Peter M Reardon1,2, Gregory Krolczyk3. 1. Division of Critical Care, Department of Medicine, University of Ottawa, Ottawa, ON, Canada. prear074@uottawa.ca. 2. Department of Emergency Medicine, University of Ottawa, Ottawa, ON, Canada. prear074@uottawa.ca. 3. Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa, ON, Canada.