COhort of antithrOmbotic Use and cLinical Outcomes in Patients With Atrial Fibrillation (COOL-AF) Phase 2

Inclusion Criteria: * Participants aged 18 years and older with atrial fibrillation diagnosed based on a 12-lead ECG or ECG tracing from ambulatory ECG monitoring. Exclusion Criteria: 1. Patients who have experienced an ischemic stroke within the past 3 months before enrollment. 2. Patients with a platelet count less than 100,000/mm3 or who have myeloproliferative disorders (essential thrombocythemia, chronic myeloid leukemia, polycythemia vera, agnogenic myeloid metaplasia), hyperviscosity syndrome, chronic disseminated intravascular coagulation (DIC), or antiphospholipid syndrome. 3. Patients with a mechanical prosthetic heart valve. 4. Patients with rheumatic mitral stenosis. 5. Patients participating in research projects with concealed treatments. 6. Patients expected to have a life expectancy of less than 3 years due to other diseases, such as cancer or AIDS, as determined from medical records. 7. Pregnancy. 8. Patients unable to follow the treatment plan. 9. Patients who do not consent to participate in the study. 10. Patients who are hospitalized or discharged from the hospital within the past 1 month.Contact/Locations