Health Library

Heart failure is a condition in which the heart can't pump enough blood to meet the body's needs.

When you have heart block, there is interference with the electrical signals that usually move from the top chambers of your heart to the bottom chambers, telling your heart when to beat. Read on to learn about causes, symptoms, and treatment.

A heart murmur is blood flow that makes a noise because of a problem in or near the heart. See how a heart murmur occurs, and when it’s a cause for concern.

Pre-existing heart disease is a heart problem that you had before you got pregnant. This often means a heart condition that you were born with (congenital). These can include heart problems that may have been fixed. It can also include heart valve issues.

Heart murmurs may be caused by a number of factors or diseases, including defective heart valves, fever, and pregnancy. Read on to learn more about this condition.

Heart valves can malfunction on one of two ways: They can fail to close completely, allowing blood to flow backward, or they can become damaged, limiting blood flow.

Watch this video to learn how the heart muscle weakens with heart failure, and how heart failure affects your body.

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.

Heart failure is when the heart can't pump enough blood to the body. In children, it is often caused by a congenital heart defect.

A person with coronary heart disease has an accumulation of fatty deposits in the coronary arteries. These deposits narrow the arteries and can decrease or block the flow of blood to the heart.

Right heart catheterization allows a surgeon to use a small, thin hollow tube called a catheter to examine your heart.

In a right-heart catheterization with heart tissue biopsy, tissue samples are taken directly from your heart muscle. Read on to learn details about this procedure.

Rheumatic heart disease is a condition where the heart valves have been permanently damaged by rheumatic fever.

A heart attack happens when the blood supply is cut off from the heart muscle, usually because of a blood clot. Without blood and oxygen, the muscle cells are damaged and die.

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

Your immune system's job is to seek out destroy foreign substances in the body. It destroys bacteria and viruses to help keep you healthy. Normally, this is a good thing, but sometimes the immune system's response can lead to problems.

An echocardiogram is a noninvasive (the skin is not pierced) procedure used to evaluate the heart's function and structures.

If a heart valve needs to be repaired or replaced, your healthcare provider may do the work with open heart surgery.

Heart murmurs are extra or unusual sounds made by blood moving through the heart. Many children have heart murmurs. Some cause no problems or go away over time. Others need treatment.

A heart murmur is blood flow in the heart that makes a noise. Heart murmurs are common in children, and most often a normal part of growth. See how a heart murmur occurs, and when it may need to be treated.