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Figure 1 Infarct size measured as a percent of the left ventricle (LV) by technetium-99m single-photon emission computed tomographic imaging in the 243 patients in the infarct size substudy with images suitable for quantitation. The 25th percentile, median, and 75th percentiles are shown for the placebo group, the pooled adenosine group, the 50-µg/kg/min adenosine group, and the 70-µg/kg/min adenosine group. Only the higher adenosine dose group showed a significant reduction in median infarct size relative to placebo (p = 0.023)