Editors Gareth Edward Zeiler, BVSc, BVSc (Hons), MMedVet (Anaes), PhD (University of Pretoria), PhD (University of Witwatersrand), Dipl. ECVAA, Dipl. ACVAA; American, European and South African registered specialist in veterinary anaesthesiology. Extraordinary Lecturer (Associate Professor) in Veterinary Anaesthesiology; Section of Anaesthesiology, Department of Companion Animal Clinical Studies, Faculty of Veterinary Science, University of Pretoria Daniel S. Pang, BVSc, MSc, PhD (Imperial College, London), Dipl. ACVAA, Dipl. ECVAA; American and European registered specialist in veterinary anaesthesiology. Associate Professor of Veterinary Anaesthesiology; Department of Veterinary Clinical and Diagnostic Sciences; University of Calgary