APVR anomalous pulmonary venous return AUC area under the curve AVSD atrioventricular septal defect BRD body region dysmorphology/dysmorphism DCA decision curve analysis ECA extracardiac anomalies ES exome sequencing GS genome sequencing LVOTO left ventricular outflow tract obstruction RVOTO right ventricular outflow tract obstruction 1 Introduction Congenital heart disease/defects (CHD/CHDs) are the most common defects in humans, and genetic causes are identified in up to 20%–30% of patients...