Daniel Bainbridge1, Philip Fernandes2, Michael W A Chu3. 1. Department of Anesthesiology London Health Sciences Centre, Western University, London, ON, Canada. 2. Clinical Perfusion Services, Cardiac Care, Division of Cardiac Surgery, London Health Sciences Centre, London, ON, Canada. 3. Division of Cardiac Surgery, Department of Surgery London Health Sciences Centre, Western University, London, ON, Canada.