calculated total heart ventricle weight total heart ventricle weight as a percentage of body weight 2013-01-09T16:03:12Z A calculated value in which the combined weight of both the left and right ventricles, the lower chambers of the heart that pump blood away from the heart either to the lungs to be oxygenated or, once oxygenated, to the rest of the body, is presented as percentage of the total weight of the body thus normalizing it to body weight. JSmith