My daughter is 14 y. old was diagnosed as s.v.t 6 months back and she was started on inderal 30 mg daily with good compliance she got very brief attack last week aborted by carotid massage iam pediatrian but i want to know for how long she will be on medications?and she will be a candidate for radiofreqncy ablation with this brief attack(only seconds)

Summarized question: What is the treatment for supraventricular tachycardia?