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Figure 4 Post-Contrast Myocardial T₁ Times

The myocardium of subjects with heart failure (congestive cardiac failure [CCF]) and regional fibrosis detected by conventional delayed contrast-enhanced imaging was divided into areas with (DE+) and without (DE–) regional scarring. The post-contrast myocardial T₁ time was significantly shorter in DE– regions compared with controls, consistent with diffuse fibrosis even in areas of myocardium not displaying regional scarring (*p < 0.0001). There was also a difference in the post-contrast myocardial T₁ time of heart failure subjects between DE– and DE+ areas of myocardium (p = 0.02).

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