Heart Disease
Heart Health Quiz
Heart-attack deaths have fallen 60 percent in four decades. Still, millions of Americans suffer from cardiovascular diseases linked with heart attacks and strokes.
Basic Anatomy of the Heart
Located almost in the center of the chest, the adult human heart is about the size of two fists held side-by-side.
Anatomy and Function of the Heart's Electrical System
The heart is a pump made of muscle tissue. Its pumping action is regulated by electrical impulses.
Anatomy and Function of the Coronary Arteries
Coronary arteries supply blood to the heart muscle. There are two main coronary arteries: the right and the left.
Cardiovascular Disease Statistics
Heart disease is one of the most serious health problems in the United States. Find out more facts and figures on this topic.
Anatomy and Function of the Heart Valves
Detailed anatomical description of the heart valves, including simple definitions and a labeled, full-color illustration
The Cardiologist
A cardiologist is a doctor who has had extra training to treat problems of the heart and blood vessels. These include heart attack and heart failure.
The Clinical Cardiac Electrophysiologist
A clinical cardiac electrophysiologist, or cardiac EP, is a doctor who treats rhythm problems of the heart.
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