part_of part of part of has_disease_location heart disorder cardiac ventricle Ventricular Outflow Obstruction true Occlusion of the outflow tract in either the LEFT VENTRICLE or the RIGHT VENTRICLE of the heart. This may result from CONGENITAL HEART DEFECTS, predisposing heart diseases, complications of surgery, or HEART NEOPLASMS. MESH:D014694 Dani Welter