heart blood flow measurement E wave deceleration time 2014-07-01T11:23:06Z An echocardiographic measurement of the amount of time between the maximum 'E point', that is, the maximum velocity of passive blood flow from the atrium to the ventricle, and the return to baseline at the end of early mitral flow. CMO:0002504 DT EDT JSmith VT:2000009 clinical_measurement_ontology