Safety and Efficacy of Workflows of High Volume Single Operators in a LAAO Device Implant Procedural Day

Inclusion Criteria: 1. 18 years of age or older 2. Able and willing to participate in baseline and follow up evaluations for the full length of the study 3. Clinically qualified, in the opinion of the Investigator, to receive a LAAO device 4. Receiving a Watchman FLX™ or Watchman FLX Pro™ LAAO device as part of their plan of care 5. Having their LAAO device implant procedure scheduled on a qualifying high-volume\* procedure day as assessed within 2 days (≤ 2 calendar days) prior to the planned procedure date \*high-volume - a calendar day in which the single implanting physician schedules ≥ 8 LAAO device implant procedures, regardless of the device manufacturer 6. Willing and able to provide informed consent Exclusion Criteria: 1. Enrolled in an investigational drug or device clinical trial, or any trial that dictates the treatment plan 2. In the opinion of the Investigator, any known contraindication to a LAAO device or implant procedure 3. Having their LAAO device implant procedure scheduled on a day in which the single implanting physician scheduled \< 8 LAAO device implant procedures as assessed within 2 days (≤ 2 calendar days) prior to the planned procedure date