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.