Widespread concave ST elevation more prominent in V2-V5, elevation of ≥0.1 mV in two adjacent leads
Notching or slurring of the J point
ST elevation is <25% of the T wave height in V6
No reciprocal ECG changes or ST depressions (unless in aVR or V1)
ST changes stable over time
Early repolarization
Cardiac
Wide QRS
ST-segment elevation myocardial infarction 
T wave changes
Post-MI 
ST segment depression
Previous MI with recurrent ischemia in same area