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An EPS closely monitors your heart rhythm. EPS can help find out exactly what your rhythm problem is and what can be done to control it. A specially trained doctor (electrophysiologist) does the procedure in an EPS lab.

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.

Warfarin is medicine that controls how your blood clots. It's used to help prevent blood clots that may cause serious health problems. These problems include heart attack, stroke, a blockage in an artery or vein, or a blood clot that travels to the lungs (pulmonary embolism).

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 helpful look at medicines to control heart failure, and how they work.

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.

A stent is a small metal coil or mesh tube that is placed in a narrowed artery through a catheter (a long, thin tube) to help improve blood flow to your heart. The stent permanently holds the passageway open and helps reduce the rate of restenosis, renarrowing of the artery.

Most ICDs are well protected from interference with other electrical devices. But there are some devices and signals that can cause problems. Read on to learn more--and prevent these possible problems.

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.