calculated left ventricular end-diastolic blood pressure measurement left ventricle end-diastolic wall stress clinical_measurement_ontology VT:0010750 2019-07-22T15:26:26Z LVED-WS sjwang Left ventricle end-diastolic wall stress (LVED-WS) is a calculated measurement of the force acting against the left ventricle wall at the end of diastole, that is when the heart muscle is maximally relaxed, and usually corresponds to its largest diameter. It is calculated by multiplying ventricular pressure by ventricular radius and dividing by 2 times the wall thickness. It is commonly referred to as the Law of Laplace. CMO:0003200