Tachycardia-Induced Cardiomyopathy Secondary to Right Ventricular Outflow Tract Ventricular Tachycardia: Improvement of Left Ventricular Systolic Function After Radiofrequency Catheter Ablation of the Arrhythmia |
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Authors: | JOHAN VTJGEN MD PHILIP HILL MD LEE A BIBLO MD MARK D CARLSON MD |
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Institution: | From St. Elizabeth Hospital, Youngstown, Ohio;and University Hospitals of Cleveland, Cleveland, Ohio |
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Abstract: | Cardiomyopathy Secondary to RVOT VT. Introduction : Several reports describe development of cardiomyopathics secondary to supraventricular tachycardia. Few reports have described cardiomyopathies secondary to ventricular tachycardia. Methods and Results : We describe a patient who presented with dilated cardiomyopathy and repetitive nonsustained monomorphic ventricular tachycardia. Cardiac cathcterization 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. Conclusions : This report suggests that right ventricular outflow tract ventricular tachycardia may cause reversible tachycardia-induced cardiomyopathy. |
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Keywords: | tachycardia-induced cardiomyopathy right ventricular outflow tract ventricular tachycardia radiofrequency catheter ablation |
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