Key result
Metoprolol treatment normalized the prolonged QT interval and stopped ventricular tachycardia within 24 hours in a patient with Takotsubo cardiomyopathy.
Case Report (n=1)
Beta-blocker therapy with metoprolol may be effective in rapidly controlling long QT-induced ventricular tachycardia in patients with Takotsubo cardiomyopathy.
Metoprolol may rapidly resolve QT-related VT in Takotsubo cardiomyopathy; hypothesis-generating case report requiring prospective validation.
Takotsubo cardiomyopathy (TC) is a syndrome characterized by transient left ventricular apical ballooning associated with electrocardiogram changes and mimicking acute myocardial infarction in patients without significant coronary disease on angiography. We report an unusual case of a patient who presented with TC associated with long-QT syndrome-induced ventricular tachycardia. QT interval prolongation was normalized and ventricular tachycardias were stopped within the same day with metoprolol treatment.
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Musa Çakıcı (2014) conducted a case report in Takotsubo cardiomyopathy with long QT-induced ventricular tachycardia (n=1). Metoprolol was evaluated on Normalization of QT interval and cessation of ventricular tachycardia. Metoprolol treatment normalized the prolonged QT interval and stopped ventricular tachycardia within 24 hours in a patient with Takotsubo cardiomyopathy.