Table 2.

International Takotsubo Diagnostic Criteria (InterTAK Diagnostic Criteria)[8]

No.	International Takotsubo Diagnostic Criteria
1	Transient left ventricular dysfunction (hypokinesia, akinesia, dyskinesia), manifests as apical ballooning or mid-ventricular, basal or focal wall motion abnormality, which usually extend beyond a single epicardial vascular distribution. Right ventricular involvement can be present
2	A mental, physical or mixed cause can precede the event of Takotsubo syndrome but this is not necessary
3	Takotsubo syndrome can be caused by neurological conditions (e.g. subarachnoid hemorrhage, stroke/transient ischemic attack, or seizures) as well as pheochromocytoma
4	Electrocardiogram changes (elevation or depression of the ST-segment, inversion of the T-wave and prolongation of the QTc); however, there are unusual cases without electrocardiogram changes
5	Elevation of cardiac biomarkers (troponin and creatine kinase)
6	Significant coronary artery disease could also be present in Takotsubo syndrome
7	Exclusion of acute myocarditis, in this case cardiovascular magnetic resonance is recommended
8	The pathology is common in postmenopausal women are predominantly affected