left ventricular systolic blood pressure change in systolic blood pressure change in left ventricular systolic blood pressure clinical_measurement_ontology CMO:0000753 Difference in the pressure within the heart left ventricle at the point of maximal contraction, when the blood is forced from the left ventricle into the aorta, between two points in time or two conditions. 2012-03-21T01:13:41Z jsmith calculated left ventricular blood pressure