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Figure 2 Regional changes in fractional shortening during the cardiac cycle for three different myocardial segments (1 = infarct, 2 = borderzone, 3 = remote) before and at each time point after infarction. Note progressive expansion of all segments during remodeling and the progressive loss of contractility in segment 2 (borderzone) as remodeling progresses. AO = aorta; LAD = left anterior descending.