AI-Assisted Workflow for Occult Atrial Fibrillation Detection After Ischemic Stroke: A Prospective Randomized Trial

Inclusion Criteria

Inclusion Criteria: 1. 18 years or older who are acutely hospitalized due to ischemic stroke; 2. A 12-lead electrocardiogram upon admission showing sinus rhythm; Exclusion Criteria: 1. Previous diagnosis of atrial fibrillation or flutter; 2. Diagnosis of atrial fibrillation during hospitalization; 3. Pre-existing cardiac implantable electronic device (IVD); 4. Expected inability to attend regular outpatient follow-ups after discharge, or to undergo multiple 14-day ECG recordings; 5. Requires long-term anticoagulant use for other reasons, including but not limited to chronic pulmonary embolism; 6. Known contraindications to non-vitamin K antagonist oral anticoagulants due to comorbidities, including but not limited to end-stage renal disease, severe mitral stenosis due to rheumatic heart disease, or metallic heart valves; 7. Unwilling to sign a participant consent form.