Figure 3. The procedural flowchart and the follow-up outcomes of all 6 patients. Endo: endocardial mapping and ablation; Epi: epicardial mapping and ablation; VT: ventricular tachycardia; AIVR: accelerated idioventricular rhythm; AVR: aortic valve replacement; MVR: mitral valve repair; TVR: tricuspid valve repair.