heart left ventricle morphological measurement heart left ventricle end-diastolic area EDA LVDa LVAd clinical_measurement_ontology CMO:0001191 2012-11-12T15:45:39Z VT:0002753 jsmith A measurement of the extent of a two-dimensional plane through the left ventricle of the heart at the end of diastole, that is, when the heart muscle is maximally relaxed, and usually corresponds to its largest diameter.