abnormal atrioventricular bundle morphology abnormal right bundle morphology 2010-10-04T04:02:30Z MP:0010567 MPheno.ontology abnormal right bundle of atrioventricular bundle abnormal right crus of atrioventricular bundle abnormal right ventricular bundle morphology any structural anomaly of the right branch of the atrioventricular bundle that separates just below the bundle of His, descends the septal wall of the right ventricle and connects to the terminal Purkinje fibers csmith