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Fig. 1E —69-year-old heart transplant recipient with heart rate of 90
beats/min who underwent dual-source CT coronary angiography. Reconstructions
of segment 2 of right coronary artery in different phases of cardiac cycle
show examples of 5-point grading scale. Quality scores of 2 or greater were
considered acceptable for routine clinical diagnosis. Score 0 image is not
evaluative. Vessels are not differentiable.