unbalanced complete atrioventricular canal, left dominant Fyler:1125 MP:0011672 unbalanced complete atrioventricular septal defect, left dominant MPheno.ontology csmith an unbalanced form of a complete atrioventricular septal defect where the atrioventricular junction is predominantly committed to the left ventricle; in left ventricular dominance, there can be hypoplasia of the right ventricle and pulmonary artery 2012-04-20T01:32:23Z unbalanced complete common atrioventricular canal