Pheidippides' Final Words: "My Feet Are Killing Me!"

John C Hagan¹

• ¹Missouri Medicine Editor John C. Hagan, III, MD, was very confident that his long-distance running would guarantee a healthy heart. He now believes 45 years of maximum endurance exercising contributed to his atrial fibrillation and high coronary artery calcium score. Dr. Hagan runs the Kansas City Hospital Hill Half Marathon in 1988.