ventricular septal defect subarterial ventricular septal defect 2010-09-27T04:09:31Z Fyler:1330 MP:0010417 MPheno.ontology VSD, Type 1 abnormal communications between the two lower chambers of the heart, located beneath the pulmonic valve, communicating with the RV outflow tract above the supraventricular crest, and are associated with aortic regurgitation secondary to the prolapse of the right aortic cusp conal septal defect conal septal ventricular septal defect conus ventricular septal defect csmith infundibular ventricular septal defect outlet ventricular septal defect subarterial doubly committed ventricular septal defect subpulmonic ventricular septal defect supracristal ventricular septal defect