A patient-level composite score is formed by dividing the total number of 15 pre-defined binary KPIs a patient receives by the total sum of KPIs a patient is eligible to receive. 15 KPI include: receive the first ECG within 10 minutes after arrival, receive aspirin within 24 hours of arrival, receive clopidogrel within 24 hours of arrival, receive statin within 24 hours of arrival, prescribe aspirin at discharge, prescribed clopidogrel at discharge, prescribed beta-blocker at discharge, prescribed statin at discharge, LVSD prescribed ACEI or ARB at discharge, STEMI that arrive hospital within 12 hours of symptom onset receive fibrinolysis, STEMI that received fibrinolytic therapy received this within 30 minutes of arrival, final diagnosis consistent with ECG and biomarker findings, receive both aspirin and clopidogrel within 24 hours, patient receive both aspirin and clopidogrel with loading dose within 24 hours, patient receive statin with loading dose within 24 hours.