This study is to describe the long-term antithrombotic management patterns in a real-life setting for patients hospitalized with an acute coronary syndrome in China.

This study is to describe the long-term (3 to 5 years after the acute coronary syndrome index event) antithrombotic management patterns in a real-life setting for patients hospitalized with an acute coronary syndrome (i.e. ST-segment Elevation Myocardial Infarction, Non-ST-segment Elevation Myocardial Infarction, Unstable Angina) in China.

Inclusion Criteria:

1. Written informed consent has been provided.
2. Contact Order Form has been provided
3. Aged 18 years or older.
4. Enrolled in EPICOR Asia study and completed the 2 year follow-up.

Exclusion Criteria:

1. Presence of any condition/circumstance which in the opinion of the investigator could significantly limit the complete follow up of the patient (e.g. tourist, non-native speaker or does not understand the local language, psychiatric disturbances, alcohol or drug abuse).
2. Already included in the EPICOR Asia-China Extension observational study.
3. Presence of serious/severe co-morbidities in the opinion of the investigator which may limit short term (i.e. 6 month) life expectancy.
4. Current participation in an interventional clinical trial.
5. Patients receiving ticagrelor beyond 12 months and other off label use.

Patients with a history of acute coronary syndromes in China