Radiofrequency Ablation of Symptomatic Frequent Ventricular Premature Complexes in Pediatric Population

Inclusion Criteria: * Symptomatic, frequent, premature ventricular complexes (more than 10,000 according to the 24 hour Holter ECG) Exclusion Criteria: * Antiarrhythmic therapy before inclusion Structural heart pathology requiring surgical correction; Premature ventricular complexes associated with structural heart disease; Previously performed radiofrequency ablation due to premature ventricular complexes.