abnormal heart right ventricle morphology double chambered heart right ventricle 2010-09-28T11:47:43Z DCRV double chambered RV Double-Chambered Right Ventricle MPheno.ontology MP:0010424 septated right ventricle septated right ventricle caused by the presence of abnormally located or hypertrophied cardiac muscle bands that divide the ventricular cavity into a proximal and a distal chamber; the muscle bundles typically run between an area located in the ventricular septum, beneath the level of the septal leaflet of the tricuspid valve, and the anterior wall of the right ventricle double chambered right ventricle csmith