Validation of Software for Assessment of Atrial Fibrillation From PPG Data Acquired by a Wearable Smartwatch

Fitbit Atrial Fibrillation From PPG Data Validation Study

Validate the Fitbit PPG RhythmDetect Software System algorithm for providing notifications by identifying rhythms suggestive of atrial fibrillation or atrial flutter events.

Inclusion Criteria:

• Adults 22 years of age or older
• Capable of giving informed consent
• U.S. resident
• No prior history of atrial fibrillation or atrial flutter
• Fitbit account, with one of the following devices paired:
• Ionic, Versa, Versa Lite, Versa 2, Versa 3, Charge 3, Charge 4, Inspire HR, Inspire 2, or Sense updated to the latest available firmware.

Exclusion Criteria:

• Diagnosis or history of Atrial Fibrillation at time of consent
• Diagnosis or history of Atrial Flutter at time of consent
• Current use of anticoagulation medication
• Cardiac pacemaker or implantable cardioverter-defibrillator