<unk> -STEMI ECG + positive troponin
CK-MB and myoglobin are not helpful
Angiography indicated for:
Recurrent angina/ischemia with or with out symptoms of CHF
Elevated troponins
New or presumably new ST-segment depression
High-risk findings on<unk> invasive stress testing
Depressed LV function
Hemodynamic instability
Sustained V-tach
PCI within previous 6 mo
Prior CABG
Recurrent angina/ischemia with or with out symptoms of CHF
Elevated troponins
New or presumably new ST-segment depression
High-risk findings on<unk> invasive stress testing
Depressed LV function
Hemodynamic instability
Sustained V-tach
PCI within previous 6 mo
Prior CABG
Non-ST-elevation myocardial infarction
Acute coronary syndromes 
ST-segment elevation myocardial infarction
STEMI
Takotsubo cardiomyopathy
Non-STEMI
Unstable angina
Acute coronary syndrome 