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Figure 1 Relationship between transmural extent of scar (TES) and resting systolic function by magnetic resonance imaging (MRI) (left) and two-dimensional echocardiogram (2DE) (right). Increasing TES is associated with a significant reduction in the proportion of segments with residual wall thickening (p < 0.001 for both MRI and 2DE). Note that in the 25% to 75% TES range, over 50% of segments still have some contractile function at rest, whereas almost all segments with >75% scar have abnormal resting function.
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