heart left ventricle wet weight heart left ventricle plus septum wet weight LV+S wet weight slaulede 2020-04-21T17:25:17Z CMO:0003400 clinical_measurement_ontology The weight of the lower left chamber of the heart (including the ventricular septum), which pumps oxygenated blood through the aorta into the systemic arteries, after removal from the body and separation from the rest of the heart but without desiccation.