Adult Congenital Heart Association https://www.achaheart.org
Pediatric Congenital Heart Association https://www.conqueringchd.org
The Children’s Heart Foundation https://www.childrensheartfoundation.org
Canadian Congenital Heart Alliance https://www.cchaforlife.org/
2 Hearts (for transition to adulthood) https://www.2-hearts.org
Bicuspid Aortic Foundation http://bicuspidfoundation.com/index.htm
Heart Rhythm Society https://www.hrsonline.org