Definition: A cardiologist is a doctor who specializes in diagnosing and treating conditions of the heart and blood vessels. Cardiologists usually focus or specialize in an area of care. For example, a pediatric cardiologist specializes in children's heart problems, especially heart defects present at birth (called congenital heart disease). A cardiologist who specializes in caring for adults may focus on preventing and treating heart disease and heart attacks.
Pronunciation: car-dee-OL-o-jist
Also Known As: heart specialist, heart doctor
