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Figure 2 QTc Interval Prolongation Induced by Brief Episodes of Transmural Ischemia in 74 Patients Analyzed by the MUSE Automated System

(A) Line graph demonstrating transmural ischemia-induced QTc interval prolongation in all 74 patients. (B) Bar graph displaying average QTc interval in 74 patients at baseline, during balloon inflation, and after deflation. The QTc interval is prolonged by 32 ms with balloon inflation and partially returns to baseline upon deflation.