Dr. John Day is a cardiologist and Medical Director of the Intermountain Heart Rhythm Specialists in Salt Lake City, Utah. He received his medical degree from John Hopkins and comp...view moreDr. John Day is a cardiologist and Medical Director of the Intermountain Heart Rhythm Specialists in Salt Lake City, Utah. He received his medical degree from John Hopkins and completed his residency and fellowships in cardiovascular medicine and cardiac electrophysiology at Stanford University.view less