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Figure 1


Fig. 1A —59-year-old woman (subject 6) with 12-month history of aortic regurgitation secondary to idiopathic aortic root dilatation. Short-axis parametric T1 maps acquired before (A) and 10 minutes after administration of gadolinium (B). Green and red lines represent epicardial and endocardial contours manually drawn for delineation of left ventricular myocardium. Pixel signal intensity is determined by individual pixel T1 relaxation times, hence darker image after gadolinium administration.