A case of verapamil-responsive incessant ventricular tachycardia in a 4-year-old girl is reported. Oral verapamil alone failed in maintaining stable sinus rhythm. With association of oral verapamil and betablockers (nadolol) the patient remained asymptomatic without recurrence of ventricular tachycardia over a follow-up of 1 year. In case of failure of monotherapy with verapamil or betablockers alone, an association of both can be effective and safe also in pediatric age. Radiofrequency catheter ablation should be reserved, especially in pediatric age, only to patients with impaired ventricular function who are not responsive to medical therapy.
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