• J. Cardiovasc. Electrophysiol. · Apr 1997

    Case Reports

    Tachycardia-induced cardiomyopathy secondary to right ventricular outflow tract ventricular tachycardia: improvement of left ventricular systolic function after radiofrequency catheter ablation of the arrhythmia.

    • J Vijgen, P Hill, L A Biblo, and M D Carlson.
    • St. Elizabeth Hospital, Youngstown, Ohio, USA.
    • J. Cardiovasc. Electrophysiol. 1997 Apr 1; 8 (4): 445-50.

    IntroductionSeveral reports describe development of cardiomyopathies secondary to supraventricular tachycardia. Few reports have described cardiomyopathies secondary to ventricular tachycardia.Methods And ResultsWe describe a patient who presented with dilated cardiomyopathy and repetitive nonsustained monomorphic ventricular tachycardia. Cardiac catheterization showed hemodynamically insignificant coronary artery disease. Radiofrequency ablation of a right ventricular outflow tract ventricular tachycardia resulted in improvement of the left ventricular systolic function and resolution of heart failure symptoms.ConclusionsThis report suggests that right ventricular outflow tract ventricular tachycardia may cause reversible tachycardia-induced cardiomyopathy.

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