Inclusion Criteria  Patients with a LINQ ICM who have a self-reported history of AF and who have received an ICM for the following device-logged indications, categorized into the following discrete groups:  Stroke: Cryptogenic stroke indication AF management: AF management and post-ablation management indications Suspected AF: Suspected AF and palpitations indications Individual Access and ability to use an Apple iPhone® compatible with Medtronic's research app (iOS® v. 13.X or higher) Patient is willing and able to comply with the protocol, including CareLink transmissions (requires adequate connectivity), remotely administered instructions, and remote survey participation Self-reported virtual CHA2DS2-VASc score ≥2 for men and ≥3 for women Patient is 22 years of age or older Located in the United States, with CareLink managed through servers located in United States (50 states or District of Columbia) Valid email address from self-report at enrollment Patient must be able to read and write in English  Exclusion Criteria Patients with > 24 months elapsed time from recorded LINQ device implant or > 48 months elapsed from recorded LINQ II implant date