has material basis in germline mutation in NKX2-5 atrial septal defect atrial septal defect 7 https://www.malacards.org/card/atrial_heart_septal_defect_7 https://www.malacards.org/card/atrial_septal_defect_7_with_or_without_atrioventricular_conduction_defects MONDO:0007173 MEDGEN:477726 Atrial septal defect (ASD) with atrioventricular conduction defects is an extremely rare genetic congenital heart disease characterized by the presence of ASD, mostly of the ostium secundum type, associated with conduction anomalies like atrioventricular block, atrial fibrillation or right bundle branch block. NKX2-5 atrial heart septal defect atrial septal defect 7 with or without atrioventricular conduction defects UMLS:C3276096 ASD7 atrial heart septal defect type 7 atrial septal defect-atrioventricular conduction defects syndrome atrial heart septal defect caused by mutation in NKX2-5 GARD:0016566 Orphanet:1479 ASD with or without atrioventricular conduction defects DOID:0110112 OMIM:108900