Dr. John D. Day is a cardiologist and medical director of heart rhythm specialists at Intermountain Medical Center in Salt Lake City, Utah. He received his medical degree from Johns Hopkins University and completed his cardiology training at Stanford University. Dr. Day has published more than one hundred medical studies and gives lectures throughout the world on various heart topics. He is the former president of the Heart Rhythm Society and currently serves as the Utah governor of the American College of Cardiology.
