Intracardiac Echocardiography Guided Watchman Device Implant

Inclusion Criteria: * All patients who meet guideline established criteria for commercially available Watchman device implant and not enrolled in an active clinical trial Exclusion Criteria: * Patients in whom a procedural TEE cannot be performed and an ICE only implant is needed. * Patients receiving a concomitant ablation procedure * Patients with prior incomplete surgical or percutaneous left atrial appendage ligation/exclusion procedures * Patients in whom the delivery of trans-septal equipment is anticipated to be difficult (e.g. patent foramen ovale (PFO) or atrial septal defect (ASD) closure devices in place).