ECG
Non-specific ST changes
ST elevation (20%)
CXR
Mass-like appearance
LV angiography
Non-specific ST changes
ST elevation (20%)
Mass-like appearance
Left ventricular pseudoaneurysm
Cardiac
Left ventricular aneurysm
ST-segment elevation myocardial infarction 
Coronary artery dissection
Post-MI 
Nontraumatic thoracic aortic dissection
Previous MI with recurrent ischemia in same area