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The changes of ECG parameters after left intracoronary injection
Data are expressed as the mean±standard deviation. ECG: electrocardiogram, Δ: changes from baseline, max: maximal, min: minimal, QTc: corrected QT interval by Bazett's formula, QTcD: corrected QT dispersion by Bazett's formula, NS: normal saline, DW: dextrose water
