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Understanding Coronary Artery Disease

What Is CAD?

Your Heart's Electrical System - VHL HealthSheet #82063_VA
The heart has a special system that creates and sends electrical signals. First, signals tell the atria to squeeze. This moves blood to the ventricles. Next, signals tell the ventricles to squeeze. This moves blood to the lungs and body.
Diabetes and Heart Disease - VHL HealthSheet #82064_VA
If you have diabetes, you are two to four times more likely to have heart disease than someone without diabetes. You can control your health risks by making some changes in your life.
How Your Heart Works - VHL HealthSheet #82003_VA
Your heart is a pumping muscle that works nonstop to keep your body supplied with oxygen-rich blood. Signals from the heart’s electrical system set the speed and pattern of the pump’s rhythm. Valves keep the blood moving in one direction, through the heart’s four chambers.
Understanding Coronary Artery Disease (CAD) - VHL HealthSheet #84765_VA
To understand coronary artery disease (CAD), you need to know how your heart works. Your heart is a muscle that pumps blood throughout your body. To work right, your heart needs a steady supply of oxygen. It gets this oxygen from blood supplied by the coronary arteries.
Coronary Artery Disease - VHL Video
Coronary artery disease (CAD) is the most common type of heart disease in the United States. CAD develops when the arteries that supply blood to the heart muscle harden and narrow with a buildup of plaque. This video discusses who's at risk for CAD and what you can do to help prevent it.
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Did You Know?

Plaque is the culprit in cardiovascular disease. Made up of fat, cholesterol, and other substances, plaque builds up in the arteries, making them narrower and restricting blood flow. 

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