““In general the term ‘enlarged heart’ refers to heart failure;  this is a common condition that’s more likely to occur in older patients. It’s most strongly related to a history of high blood pressure or a previous heart attack.”

Clyde Yancy, M.D., past president of the American Heart Association and chief of the Division of Cardiology and the Magerstadt Professor of Medicine at Northwestern University Feinberg School of Medicine in Chicago.