Congenital Heart Information Network
http://www.tchin.org/
C.H.I.N. is an international organization that provides
reliable information, support services and resources to families of children
with congenital heart defects and acquired heart disease, adults with
congenital heart defects, and the professionals who work with them.
MedlinePlus - Congenital Heart Disease
http://www.nlm.nih.gov/medlineplus/congenitalheartdisease.html
Pediheart
http://www.pediheart.org/
This Web site includes Parent's Place - A place for
parents to learn about the heart, meet other parents,
join a discussion group or get answers to questions.