Radiofrequency Ablation for Polymorphic Ventricular Tachycardia With Heart Failure (RFCA for PMVT-HF)

An invasive procedure performed under local anesthesia. An electroanatomic mapping system (CARTO 3) was used to identify the arrhythmogenic substrate of the PMVT. Radiofrequency energy was delivered via an irrigated-tip catheter (30-35 W, 43°C, 17 mL/min saline irrigation) to ablate the target sites. The procedural endpoint was the non-inducibility of the clinical arrhythmia. Post-procedure, patients were prescribed amiodarone.

Standard medical therapy for heart failure, including spironolactone (20 mg once daily), metoprolol succinate (25 mg twice daily), and sacubitril/valsartan (50 mg twice daily). Doses were titrated according to patient tolerance and clinical guidelines.