John Carter Hemphill, MD, FACC

Dr. Keith Bruce is a native of Cleveland, Tennessee. He received his bachelors degree from the University of Tennessee at Chattanooga. He received a doctorate in medicine from Emory University and completed an internship and residency at Johns Hopkins University School of Medicine and fellowships in cardiology and in clinical electrophysiology at the Mayo Clinic. Dr. Bruce is board certified in internal medicine, cardiovascular, and clinical cardiac electrophysiology. Dr. Bruce specializes in the treatment of cardiac arrhythmias, ablation, heart rhythm disorders, and implantable cardiac devices. He is currently participating in a national trial on atrial fibrillation and has previously participated in multiple preclinical trials for implantable devices and preclinical drug trials.

Dr. Vimal Ramjee is board certified in cardiovascular diseases, internal medicine, echocardiography, cardiac CT, and advanced cardiovascular life support. He has received advanced specialty training in transthoracic echocardiography, transesophageal echocardiography and stress echocardiography. He completed a fellowship in cardiovascular disease and advanced cardiovascular imaging and translational research at the Hospital of the University of Pennsylvania in Philadelphia. Dr. Ramjee completed his residency in internal medicine at Emory Hospital in Atlanta. He received his medical degree from Mount Sinai School of Medicine in New York and two Bachelor of Science degrees from Emory University in Atlanta. He has received numerous academic honors and awards.

Dr. Gregg Shanders research on the hearts electrical functions adds a new dimension to The Chattanooga Heart Institutes renowned electrophysiology expertise. Dr. Shander has been interested in heart rhythm disturbances since he was in medical school. He received the Stanley J. Sarnoff award for cardiovascular research through which he studied rhythm disturbances. He transferred this interest from research into the care of his patients. Dr. Shander earned his doctor of medicine degree at the University of Pittsburgh School of Medicine in Pittsburgh, Pennsylvania, and completed his internal medicine internship and residency at the University of Chicago Hospital. He performed research involving arrhythmias at the University of Amsterdam, The Netherlands, and the University of Chicago. He completed his general cardiology and electrophysiology fellowships at Duke University Medical Center in Durham, North Carolina, where he received further training in cardiac pacing and clinical electrophysiology including radiofrequency ablation. Dr. Shander received the American Heart Association Basic Sciences Research Award from the Chicago Chapter. He has also presented before the American Heart Associations scientific sessions and at numerous other cardiovascular research symposiums. He has been published in the Journal of Cardiovascular Electrophysiology, the Journal of American Physiology, the Journal of Molecular and Cellular Cardiology, and the supplement to the American Heart Associations journal, Circulation.