heart left ventricle weight to body weight ratio heart left ventricle weight as a percentage of body weight 2011-10-28T04:33:59Z A calculated value in which the weight of the left ventricle, the lower chamber of the left side of the heart, which pumps oxygenated blood out through the aorta to all the tissues of the body, is presented as percentage of the total weight of the body thus normalizing it to body weight. CMO:0000540 clinical_measurement_ontology mshimoyama true