Figure 1A-B
Intracardiac electrograms with RV overdrive pacing during the tachycardia, and (B) the enlarged view of (A).
HRA p, high right atrium proximal; HRA d, high right atrium distal; HB p, His bundle proximal; HB d, His bundle distal; CS p, coronary sinus proximal; CS d, coronary sinus distal; RVA, right ventricular apex; A, atrial; H, His bundle; V, ventricle; TCL, tachycardia cycle length; PCL, pacing cycle length.