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Figure 3 Systolic function was better preserved both at one week and four weeks after myocardial infarction (MI) in caspase inhibitor (CI) treated (MI + CI, n = 12) rats than in vehicle (dimethyl sulfoxide) treated (MI + DMSO, n = 9) rats or MI rats without any pump (untreated MI, n = 15). Systolic function still remained worse than in sham-operated animals (n = 17). EF = ejection fraction; FS = fractional shortening.