<unk> s<unk>  is a congenital heart defect in which the opening of the<unk>  valve is displaced towards the apex of the right ventricle of the heart (congenital apical displacement of the<unk>  valve that typically causes significant<unk>  regurgitation).
Ebsteins anomaly of the tricuspid valve
Quadricuspid pulmonary valve
Double orifice mitral valve
Quadricuspid aortic valve
Atrial septal defect sinus venosus
Arrhythmogenic right ventricular dysplasia
Atrial septal defect ostium secundum
Atrial septal defect ostium primum