heart left ventricle posterior wall thickness heart left ventricle end-diastolic posterior wall thickness 2014-10-29T10:36:08Z CMO:0002597 JSmith Note that "left" in this context refers to the perspective of the organism, not that of the observer. The thickness or depth (i.e. the measurement of the two-dimensional extent of the distance between the inner and outer surfaces) of the dorsal/posterior wall of the left ventricle of the heart at the end of diastole, that is, when the heart muscle is maximally relaxed. The dorsal wall is the portion of the muscle enclosing the ventricle which is closest to the spine and farthest from the chest wall of the organism. VT:0007087 clinical_measurement_ontology end-diastolic heart left ventricle PWT end-diastolic heart left ventricle posterior wall thickness