Below are some helpful Internet resources on this topic. Mayo Clinic does not own or control any of these sites and is not responsible for their content. Inclusion of these sites does not imply endorsement by Mayo Clinic.
www.achaheart.org
Adult Congenital Heart Association
www.ucsfhealth.org
University of California, San Francisco
www.RareDiseases.org
National Organization for Rare Disorders
www.nlm.nih.gov/medlineplus
Congenital Heart Disease from MEDLINEplus National Library of Medicine