Registry to Evaluate Chinese Real-World Clinical Outcomes in Patients With AF Using the WATCHMAN Left Atrial Appendage Closure Technology

Inclusion Criteria: 1. Patient is 18 years of age or above; 2. Patient is eligible for a WATCHMAN device according to current international and local guide-lines and per physician discretion; 3. Patient is willing and capable of providing informed consent to participate in all procedures associated with receiving a WATCHMAN device at an approved clinical investigational center. Exclusion Criteria: 1. Patient is currently enrolled in another investigational study or registry that would directly interfere with the current study, except when the patient is participating in a mandatory governmental registry, or a purely observational registry with no associated treatments. 2. Patient is a woman of childbearing potential who is, or plans on becoming, pregnant during the duration of follow-up assessments required as part of the WATCHMAN procedure. 3. Patient is unable or not willing to complete follow-up visits and examination as required as part of the WATCHMAN procedure.