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Metabolic syndrome is a diagnosis made when you have three or more risk factors from a set of five. But you can take action to control these factors.

Know what puts you at risk for heart disease. Learn what changes can help control your risk. Then start with one change that you think might be easiest for you.

Synthetic marijuana may cause effects similar to natural marijuana. But the chemicals in synthetic marijuana are more potent and dangerous.

Hemodialysis is usually done in a hospital or dialysis center. But it may also be done at home. Learn about home hemodialysis (HHD).

ACE inhibitors widen blood vessels and increase the amount of blood your heart pumps. These medications also lower blood pressure and decrease the amount of work your heart has to perform.

An ICD is a device that is placed permanently inside your body. An ICD keeps track of your heart rhythm (the speed and pattern of your heartbeat). If this rhythm becomes too fast or too slow, the ICD sends out electrical signals that help bring the rhythm back to normal. Read on to learn more.

A pacemaker is a small electronic device that helps your heart's electrical system beat at the right pace. Inserting the pacemaker into your body is called implantation. You stay awake during the procedure.

Your incision may be open to the air by the time you go home. But if you need to change your dressing, follow these steps.

An exercise stress test shows your heart's response to exercise. The test records your heartbeat while you walk on a treadmill or ride a stationary bike. It can be done in a hospital, a test center, or a doctor's office. The test is also called a stress electrocardiogram (ECG/EKG).