Clinical Research Directory

Inclusion Criteria: 1. Age \> 18 years old； 2. Acute ischemic stroke with onset ≤ 14 days； 3. Previously or during this hospitalization diagnosed with non-valvular atrial fibrillation; 4. Informed consent obtained from the patient or his/her legal representative； Exclusion Criteria: 1. Pacemaker, implantable cardioverter defibrillator or implantable cardiac monitor; 2. Left atrial appendage has been removed or post occlusion device implantation; 3. Transient AF secondary to other reversible disorders； 4. Life expectancy less than 1 year; 5. Patients that cannot complete subsequent follow-up (e.g. no fixed residence, overseas patients, etc.); 6. Females who are pregnant or in lactation; 7. Participating in other clinical trials that could confound the evaluation of the study; 8. Other circumstances that the investigator considers inappropriate for participation or may pose a significant risk to patients.