Clinical Research Directory

Inclusion Criteria: 1. Presents to the ED, or ambulatory care center equivalent, with signs or symptoms suspicious of a possible ACS/ischemic event. 2. Baseline cTn-I measurement and one additional cTn-I measurement at two hours after the first measurement. 3. At least one 12-lead electrocardiogram Exclusion Criteria: 1. Less than 21 years old 2. Pregnancy 3. Trauma 4. Declines to participate or has indicated that their blood/ medical information cannot be used for investigational purposes 5. Did not present through the ED 6. Transferred from an outside hospital or clinic 7. Has already been enrolled in the study