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Course and prognostic implications of QT interval and QT interval variability after primary coronary angioplasty in acute myocardial infarction

^a Medizinische Kinik II, Medizinische Universität zu Lübeck, Lübeck, Germany

View larger version (12K): [in a new window]   Figure 1 Kaplan-Meier survival curve representing cumulative event-free estimate for major arrhythmic events within a one-year follow-up.

View larger version (23K): [in a new window]   Figure 2 Hourly measurements (mean ± SEM) of QT interval dynamicity (QTc, QTac, Tec), QT interval variability (QTcSD, QtacSD) and mean RR interval during the first 24 h after admission in 97 patients undergoing successful reperfusion by primary percutaneous transluminal coronary angioplasty in acute myocardial infarction. Rhombs = hour of reperfusion.

View larger version (30K): [in a new window]   Figure 3 Hourly measurements (mean ± SEM) of QT interval dynamicity (QTc, Tec), QT interval variability (QTcSD) and mean RR interval during successful primary percutaneous transluminal coronary angioplasty in 15 patients with MAE (circles) and 82 patients without MAE (squares) in a one-year follow-up after AMI. AMI = acute myocardial infarction; MAE = major arrhythmic events; Rhombs = hour of reperfusion.