Catheter Ablation of Idiopathic Premature Ventricular Contractions and Ventricular Tachycardias Originating from Right Ventricular Septum
Figure 8
Differences in (A) QS pattern in lead V1 between PVCs/IVTs arising from the RV superoseptum and mid-inferoseptum and (B) precordial R-wave transition occurring by lead V4 between PVCs/VTs arising from the tricuspid valvular and basal right ventricular septum.