Results: RFCA successfully eliminated arrhythmias in 11 of 13 patients with idiopathic left ventricular tachycardia (ILVT or reentrant fascicular VT) and in 9 of 12 patients with right ventricular outflow tract ventricular tachycardia and ventricular premature complexes (RVOT - VT and RVOT - VPC).