Heart transplant: A heart transplant is a surgery where doctors remove a person's sick heart and replace it with a healthy donor heart. Doctors decide to do a heart transplant when a heart condition can't be improved with medicines or surgery. Back to Articles Related Articles Hypoplastic Left Heart Syndrome (HLHS) Hypoplastic left heart syndrome (HLHS) is a birth defect of a baby’s heart. The left side of the heart doesn’t grow as it should, making it smaller and weaker than normal. Read More Hypoplastic Left Heart Syndrome Surgery: The Fontan Procedure The Fontan procedure is open-heart surgery done as the third of three surgeries to treat hypoplastic left heart syndrome (HLHS). Read More Hypoplastic Left Heart Syndrome Surgery: The Glenn Procedure The Glenn procedure is open-heart surgery done as the second of three surgeries to treat hypoplastic left heart syndrome (HLHS). Read More Hypoplastic Left Heart Syndrome Surgery: The Norwood Procedure The Norwood procedure is open-heart surgery done as the first of three surgeries to treat hypoplastic left heart syndrome (HLHS). Read More When Your Child Needs a Heart Transplant If your child needs a heart transplant, you're probably feeling lots of emotions. Fortunately, many kids who undergo heart transplants go on to live normal, healthy lives. Read More Cardiomyopathy Cardiomyopathy is when the heart muscle becomes weak and enlarged, which makes it difficult to pump blood through the body. There’s usually no cure for the condition in children, but it can be treated. Read More Double Outlet Right Ventricle (DORV) Double outlet right ventricle (DORV) is a heart defect where the aorta connects to the heart in the wrong place. Read More Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.