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An electrocardiogram (ECG) is one of the simplest and fastest tests used to evaluate the heart. Electrodes (small, plastic patches that stick to the skin) are placed at certain locations on the chest, arms, and legs. When the electrodes are connected to an ECG machine by lead wires, the electrical activity of the heart is measured, interpreted, and printed out.

A heart transplant is surgery done to remove the diseased heart from a person and replace it with a healthy one from an organ donor.

The Holter monitor is a type of electrocardiogram (ECG) used to record an ECG tracing of the heart continuously for 24 hours or longer.

Myocardial perfusion is an imaging test. It's also called a nuclear stress test. It is done to show how well blood flows through the heart muscle. It also shows how well the heart muscle is pumping. For example, after a heart attack, it may be done to find areas of damaged heart muscle. This test may be done during rest and while you exercise.

A resting RNA is a type of nuclear medicine test. A tiny amount of radioactive tracer is used during the scan. This test helps evaluate how well the heart pumps and how much blood is pumped with each heartbeat.

A resting and exercise radionuclide angiogram (RNA) is a type of nuclear medicine test. A tiny amount of radioactive substance is used to help show the heart's chambers in motion. This test can show how well the heart pumps with each heartbeat and how much blood is pumped with each heartbeat, during exercise and at rest.

A tilt table test is a test done to evaluate symptoms of syncope (fainting) by creating changes in posture and see how your heart and blood pressure respond.

A transesophageal echocardiogram (TEE) uses echocardiography to evaluate how well the heart works. Read on to learn details about this procedure.

Valvuloplasty is a procedure done to repair a stiff heart valve. It's done using a catheter and small incisions.