double outlet right ventricle double outlet right ventricle, doubly committed ventricular septal defect 2012-04-20T12:31:42Z Fyler:0604 Fyler:604 MP:0011669 MPheno.ontology a form of DORV in which there are two ventricular septal defects, one below the aorta and one below the pulmonary artery and the left ventricular outflow is equally shared by the aorta and pulmonary artery csmith