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Fig. 2D. —62-year-old man with single-vessel coronary artery disease. Images in end diastolic (D) and end systolic (E) phases of cardiac cycle show volumetric measurements of left ventricle (LV) calculated according to Simpson's method based on short-axis reformations. Endocardial contours of all short-axis reformations showing left ventricular cavity were manually traced using planimetric software; papillary muscles were included in left ventricular cavity. Left ventricular volumes were calculated by adding all measured cross-sectional areas multiplied by intersection thickness.