congenital heart defects, multiple types cardiogenetic disease MYH-6 related congenital heart defects https://github.com/monarch-initiative/mondo/issues/6226 A heart disease that is present at birth that is caused by a variation in MYH-6. Representative examples include atrial septal defect, ventricular septal defect, tetralogy of Fallot and hypoplastic left heart syndrome. MYH6 related congenital heart defects MONDO:0800442