Heart Care International - Provides open heart surgery for poor children and young adults in developing countries.
http://www.heartcareintl.org/ more info...
Hershey Hearts - A support group for families of children with congenital heart disease.
http://www.hersheyhearts.org/ more info...
Kids With Heart - Provides support, information, and education for the families of the children living with congenital heart defects.
http://www.kidswithheart.org/ more info...