Table 2. Mayo diagnostic criteria.
| Mayo Criteria | |
| 1 | Transient regional LV wall dysfunction (dyskinesia, hypokinesia, and akinesia) with deficits extending beyond a single epicardial contribution; with a rare exception of focal and global type |
| 2 | New ST elevation or T-wave inversion on EKG or troponin elevation |
| 3 | Absence of angiographic evidence of plaque or coronary obstruction |
| 4 | Absence of myocarditis or pheochromocytoma |