Key result
Left ventricular outflow tract ventricular tachycardia can rarely cause tachycardiomyopathy, which can be treated with radiofrequency catheter ablation.
Reports a rare case of tachycardiomyopathy caused by LVOT VT treated with radiofrequency catheter ablation.
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Supports ablation for rare LVOT VT-induced cardiomyopathy; leaves open generalizability pending prospective data.
It is recognized that a type of idiopathic ventricular tachycardia (VT) arises from the left ventricular outflow tract (LVOT). This VT exhibits sustained or nonsustained forms, but also appears as frequent premature ventricular contractions (PVCs) of monomorphic QRS morphology. The prognosis is almost uniformly benign. We describe a patient with tachycardiomyopathy resulting from LVOT VT.
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Mora et al. (2013) studied this question. Left ventricular outflow tract ventricular tachycardia can rarely cause tachycardiomyopathy, which can be treated with radiofrequency catheter ablation.
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