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. 2015 Aug 25;21(3):294–304. doi: 10.1111/anec.12309

Figure 1.

Figure 1

Schematic overview of iCEB. Balance and imbalance of the depolarization (QRS duration) and repolarization (QT interval) of cardiac electrophysiology. Schematic changes in the index of cardio‐electrophysiological balance (iCEB): significant increase/decrease (↑ or ↓) in iCEB by increase/decrease in QT interval or decrease/increase in QRS duration could potentially be proarrhythmic for TdP‐ and non‐TdP mediated VT/VF respectively (imbalance of cardiac electrophysiology). TdP = torsades de pointes; VT = ventricular tachycardia; VF = ventricular fibrillation.