arterial disease severity measurement aortic rupture severity measurement Measurement of the degree to which a tear or break in the continuity or configuration of the aorta (the great artery arising from the left ventricle and from which the systemic arterial system proceeds) causes pain or damage, or interferes with the normal functioning of an organism or of any part thereof. CMO:0002560 jsmith 2014-08-18T15:16:50Z clinical_measurement_ontology