For most of us, the “ABC’s” invoke thoughts of nursery songs and alphabet soup. But for Dr. Roger Blumenthal, ... Heart failure (HF) is the most common cause of hospitalization in the United States and accounts for the highest ($39.2 ... Nonobstructive coronary artery disease, diagnosed by coronary angiography as < 50% epicardial coronary artery ... Editor's Note: Richard A. Ferraro, MD, is a cardiology fellow at the Johns Hopkins Heart and Vascular Institute. He is ...