Key result
A T-wave hump on ECG in a patient with Takotsubo cardiomyopathy was identified as a harbinger of impending paroxysmal tachycardia and ventricular arrhythmias.
Case Report (n=1)
T-wave humps in patients with Takotsubo cardiomyopathy may serve as an early warning sign for impending ventricular arrhythmias during the acute phase.
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May signal arrhythmia risk in acute Takotsubo; hypothesis-generating and requires validation in larger cohorts.
In this article, we report a patient with Takotsubo cardiomyopathy whose electrocardiogram (ECG) showed a T-wave hump, an ECG phenomenon characterized by T-wave splitting corresponding to early posterior polarization. T-wave hump is a harbinger of impending paroxysmal tachycardia, especially when alternating with prolonged QT interval and large volt T waves. In summary, patients with Takotsubo cardiomyopathy may experience ventricular arrhythmias during the acute phase.
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Dong et al. (2022) conducted a case report in Takotsubo cardiomyopathy (n=1). T-wave hump on ECG was evaluated on Paroxysmal tachycardia and ventricular arrhythmias. A T-wave hump on ECG in a patient with Takotsubo cardiomyopathy was identified as a harbinger of impending paroxysmal tachycardia and ventricular arrhythmias.
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