1 Department of Anesthesiology, Maisonneuve-Rosemont Hospital, CIUSSS de l'Est de l'Ile de Montreal, University of Montreal, Montreal, QC, Canada.
2 Department of Anesthesiology and Critical Care Division, Montreal Heart Institute, University of Montreal, Montreal, QC, Canada.
3 Department of Anesthesiology, Maisonneuve-Rosemont Hospital, CIUSSS de l'Est de l'Ile de Montreal, University of Montreal, Montreal, QC, Canada. valerie@zaphiratos.ca.