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Figure 2 A) Maximum rate of systolic contraction after simulated ischemia reperfusion injury (as measured by the ratio of +dF/dt before and after I/R) was better preserved in the younger versus older patients. B) Maximum rate of diastolic relaxation or compliance after simulated ischemia reperfusion injury (as measured by the ratio of –dF/dt before and after I/R) was better preserved in the younger versus the older patients. Dotted lines depict the 95% confidence limits.