John MandrolaDr. John Mandrola is a cardiac electrophysiologist and an active cyclist with atrial fibrillation. He works in a private cardiology practice where he specializes in heart rhythm disorders. He is Chief Cardiology Correspondent for Medscape, theleading online resource for physicians and healthcare professionals who seek medical news and expert perspectives. He is a also a regular columnist for theHeart.org and VeloNews magazine. He completed his medical training in Internal Medicine, Cardiology, and Electrophysiology at Indiana University. His wife is a hospice and palliative care specialist and together they have two children and a grandchild. In his free time, Mandrola was a criterium racer who retired to running after suffering two concussions during bike races. Read More Read Less