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. 2020 Sep 8;1(5):359–367. doi: 10.1016/j.hroo.2020.08.005

Figure 5.

Figure 5

The activation sequence of left ventricle (LV) vs right ventricle (RV) in both types of QRS complex during bidirectional ventricular tachycardia (BD-VT) was similar to that seen in sinus rate (dashed lines). The traces are surface electrocardiogram (ECG) (top), LV ECG (middle), and RV ECG (bottom). Recordings in sinus rate and BD-VT are shown in top and bottom panels, respectively. Note that there is no obvious RV and LV activation alternation despite the QRS polarity changes during BD-VT.