(1) Transient akinesis or dyskinesis of the left ventricular apical and midventricular segments with regional wall motion abnormalities beyond a single epicardial vascular distribution
(2) Frequent emotional or physical stress (but not absolute necessary) precedes the onset of symptoms
(3) Absence of obstructive coronary disease or angiographic evidence of acute plaque rupture
(4) ST segment elevation and or inversed T wave
(5) Moderate troponin elevation
(6) Absence of signs for pheochromocytoma, intracranial bleeding myocarditis