Maureen McMichael, DVM, DACVECC, is a Professor in the Department of Veterinary Clinical Medicine and Section Chief of the Small Animal Emergency and Critical Care Section at the University of Illinois College of Veterinary Medicine in Urbana, Illinois, USA. Ryan Fries, DVM, DACVIM, is an Assistant Professor in the Department of Veterinary Clinical Medicine  (cardiologist) at the University of Illinois College of Veterinary Medicine in Urbana, Illinois, USA. June A. Boon, MS,is an Instructor and Echocardiographer at the College of Veterinary Medicine and Biomedical Sciences at Colorado State University in Fort Collins, Colorado, USA. Carolyn A. Sink, MS, MT(ASCP) supervises Virginia Tech Animal Laboratory Services (ViTALS) at Virginia Maryland College of Veterinary Medicine in Blacksburg, Virginia, USA.