text: <unk>  is a type of congenital heart disease in which the<unk>  heart valve is missing or abnormally developed. The defect blocks blood flow from the right atrium to the right ventricle.
option_0: Tricuspid atresia
option_1: Interrupted aortic arch
option_2: Single ventricle
option_3: Persistent truncus arteriosus
option_4: Double outlet right ventricle
option_5: Atrioventricular canal defect
option_6: Aortic arch anomalies
option_7: Transposition of the great vessels