has material basis in germline mutation in GATA4 atrial septal defect atrial septal defect 2 https://www.malacards.org/card/atrial_septal_defect_2_2 GARD:0024832 MEDGEN:334249 UMLS:C1842778 atrial heart septal defect type 2 MESH:C538263 atrial septal defect 2 GATA4 atrial heart septal defect OMIM:607941 Any atrial heart septal defect in which the cause of the disease is a mutation in the GATA4 gene. MONDO:0011938 atrial septal defect type 2 DOID:0110107 ASD2 atrial heart septal defect caused by mutation in GATA4 structural congenital heart disease, multiple types - GATA4