Age >65 yrs (1 point)
Three or more risk factors for coronary artery disease: (1 point)
family history of coronary artery disease
hypertension
hypercholesterolaemia
diabetes
current smoker
Use of aspirin in the past 7 days (1 point)
Significant coronary stenosis (stenosis >50%) (1 point)
Severe angina (e.g., >2 angina events in past 24 h or persisting discomfort) (1 point)
ST-segment deviation of ≥0.05 mV on first ECG (1 point)
Increased troponin and/or creatine kinase-MB blood tests (1 point)
family history of coronary artery disease
hypertension
hypercholesterolaemia
diabetes
current smoker
Non-ST-elevation myocardial infarction
Acute coronary syndromes 
ST-segment elevation myocardial infarction
STEMI
Takotsubo cardiomyopathy
Non-STEMI
Unstable angina
Acute coronary syndrome 