
Beat-to-beat variability of repolarization as a new biomarker for proarrhythmia in vivo
Keywords: Short-term variability; Torsades de pointes; Chronic AV block dog; Drugs; Long QT syndrome; Repolarization; Biomarkers; APD; action potential duration; BVR; beat-to-beat variability of repolarization; cAVB; chronic atrioventricular block; ECG; electrocard