Observe the Safety and Effectiveness of the WATCHMAN FLX™ for Subjects in Hong Kong

Inclusion Criteria

• Patients who are eligible for a WATCHMAN FLX device according to current international and local guidelines (and future revisions) and per physician discretion;
• Patients who are willing and capable of providing informed consent, participating in all testing associated with this clinical investigation at an approved clinical investigational center;
• Patients whose age is 18 years or above, or of legal age to give informed consent specific to state and national law.

Exclusion Criteria

• Patients who are 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. Each instance should be brought to the attention of the sponsor to determine eligibility.
• Women of childbearing potential who are, or plan to become, pregnant during the time of the study (method of assessment upon physician's discretion);
• The subject is unable or not willing to complete follow-up visits and examination for the duration of the study.