calculated heart left ventricle morphological measurement ratio of the area occupied by interstitial collagen to the total area of the heart left ventricle 2019-10-03T15:44:41Z A calculated measurement in which the area of the heart left ventricle occupied by interstitial collagen is divided by the total area of the heart left ventricle, and the result presented as a ratio, fraction, quotient or percentage. CMO:0003244 VT:0010747 clinical_measurement_ontology sjwang