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Figure 1 | Journal of Cardiovascular Magnetic Resonance

Figure 1

From: Diffuse myocardial fibrosis by T1-mapping in children with subclinical anthracycline cardiotoxicity: relationship to exercise capacity, cumulative dose and remodeling

Figure 1

SASHA T 1 mapping method in a subject 15 minutes post-contrast. On each of 10 saturation recovery images, the endocardium, epicardium and a region of interest in the blood are selected. The myocardium is automatically divided into 18 circumferential segments and T1 values are calculated in each segment by fitting a recovery curve as described in the methods. Average signal intensity in a septal segment (white box, far right image) are shown along with a best-fit saturation recovery curve. S is the measured signal intensity normalized to the non-saturated image intensity, η is the best-fit saturation efficiency, TS are saturation recovery times and T1 is the best fit T1 value.

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