Congenital heart defects in children – Symptoms and causes …

If your child has a congenital heart defect, it means that your child was born with a problem in the structure of his or her heart. Some congenital heart defects in children are simple and don’t need treatment. Other congenital heart defects in children are more complex and may require several surgeries performed over a period of several years.

https://www.mayoclinic.org/diseases-conditions/congenital-heart-defects-children/symptoms-causes/syc-20350074