Dr. John Mandrola is a cardiac electrophysiologist (heart rhythm specialist) based in Louisville and is affiliated with several hospitals including Baptist Medical Associates and King's Daughters' Health-Madison. He is a graduate with a medical degree from The University of Connecticut School of Medicine and has more than 20 years of experience. What are Dr. Mandrola's Specialties? Dr. Mandrola has specialized in Cardiac Electrophysiology with an emphasis on catheter ablation. He can diagnose and treat different heart diseases such as; coronary artery disease, congenital heart defects, heart rhythm disorders and heart failure. Subspecialities General Cardiology, Cardiac Electrophysiology, and Interventional Cardiology.