RecruitingDevice studySafety and Efficacy of Workflows of High Volume Single Operators in a LAAO Device Implant Procedural DaySAFE HV is an observational, prospective, multi-center, non-randomized study evaluating real-world clinical experience of centers where a single procedural physician schedules eight or more left atrial appendage occlusion (LAAO) device implant procedures in a single calendar day.