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(A) Schematic diagrams depicting ventricular overdrive pacing (VOP), according to the mechanisms of tachycardia, along with intracardiac electrograms in (B) ORT via a septal AP and (C) slow‐slow AVNRT. (D) Schematic diagrams depicting differential ventricular entrainment; VOD from right ventricular base (upper panel) and right ventricular apex (lower panel). PCL, pacing cycle length. Other abbreviations are as in Figure 2.
