Inclusion Criteria

• Must have one of the Acute Coronary Syndromes as a presumptive diagnosis.
• Patients must be >= 18 years old.
• Must be alive at the time of hospital presentation.
• The qualifying acute coronary syndrome must not have been precipitated or accompanied by a significant co-morbidity such as a motor vehicle accident, trauma, severe gastro-intestinal bleeding, operation or procedure. Inpatients who are hospitalized, for any reason, when they develop ACS symptoms are not eligible for enrolment in GRACE.
• Patients transferred into or out of a registry hospital can be enrolled regardless of the time spent at the transferring hospital.
• For patients transferred out of a registry hospital, data collection for the initial CRF will end with the transfer and indication of purpose of transfer.
• Patients may be re-enrolled provided that >= 6 months has passed since their prior enrolment. When a patient is re-enrolled, a new patient number must be assigned.
• The criteria for ACS as defined must be met, with one exception: Patients hospitalized for < 1 day who die and do not meet the criteria may be enrolled provided that the cause of death is confirmed to be due to ACS.

Professor Keith Fox "we're trying to do something different"

Professor Joel Gore "because it's the real world"