Critical Convex‐Type ST Elevation Correlate With Ventricular Tachyarrhythmia in Takotsubo Cardiomyopathy

ABSTRACT Background Ventricular tachyarrhythmia (VT) occasionally occurred in patients with Takotsubo cardiomyopathy (TC). Two convex‐type ST elevations were significantly related to VT in coronary artery disease. Methods This study assessed the correlation between VT and critical ECG patterns, as well other independent predictive factors of in‐hospital outcome. Fifty‐five consecutive patients fulfilled the diagnostic criteria of Takotsubo Italian Network (TIN) were retrospectively enrolled. The patients were classified into two groups according to their critical ECG patterns and VT occurrence. In‐hospital outcomes and influencing factors were analyzed. Results The incidence of VT was higher in the critical ECG group than in the Noncritical ECG group (43.8% vs. 2.6%, p