Cardiac troponin levels
Creatine kinase isoenzyme MB (CK-MB) levels
Dynamic T-wave changes: Inversions, normalizations, or hyperacute changes
Myocardial perfusion imaging
Computed tomography, including CT coronary angiography and CT coronary artery calcium scoring
Myoglobin levels
Transient ST-segment elevations
Echocardiography
ST depressions: These may be junctional, downsloping, or horizontal
Chest radiography
Cardiac angiography
Basic metabolic panel
Complete blood count
