Learn how to prepare your child for tetralogy of Fallot surgery, what happens during and after the surgery, when to get medical help, and what the long-term concerns are.

Learn how the heart works.

Your child just had surgery to treat a heart problem. Here are general guidelines to care for your child at home.

Your child needs surgery to treat a heart problem. This sheet will help you and your child get ready for the surgery.

The heart makes sounds as the heart valves open and close to allow blood to flow through the heart. When blood does not flow smoothly through the heart or heart valves, it causes the noise. This is called turbulence. Heart murmurs can be harmless (innocent) or caused by a heart problem (pathologic).

Catheter ablation is a way to treat a tachycardia. This is an abnormal heart rhythm (arrhythmia) in which the heart beats too fast.

An arrhythmia can cause your child's heart to pump blood less efficiently. Many arrhythmias are harmless and don't need to be treated. But if it causes symptoms, it may need treatment.

A detailed look at nasal allergies, and what to do when they affect your child.

Hives are raised, red, itchy bumps on the skin. The bumps come and go for a few days and then go away completely. Here's what you need to know.

Anaphylaxis is the most severe type of allergic reaction. It may happen from a few minutes to an hour or 2 after contact with an allergen. Anaphylaxis can cause the airways to swell, making it hard to breathe.