The Fitbit Irregular Rhythm Notifications is a software-only mobile medical application that is intended to be used with compatible consumer wrist-worn products to analyze pulse rate data to identify episodes of irregular heart rhythms suggestive of atrial fibrillation (AFib) and provide a notification to the user.The Fitbit Irregular Rhythm Notifications is intended for over-the-counter (OTC) use. It is not intended to provide a notification on every episode of irregular rhythm suggestive of AFib and the absence of a notification is not intended to indicate no disease process is present; rather the Fitbit Irregular Rhythm Notifications is intended to opportunistically surface a notification of possible AFib when sufficient data are available for analysis.These data are only captured when the user is still. Along with the user’s risk factors, the Fitbit Irregular Rhythm Notifications can be used to supplement the decision for AFib screening. The Fitbit Irregular Rhythm Notifications is not intended to replace traditional methods of diagnosis or treatment.The Fitbit Irregular Rhythm Notifications has not been tested for and is not intended for usein people under 22 years of age. It is also not intended for use in individuals previouslydiagnosed with AFib.
A device intended to be used by a layperson in the home to acquire and process the electrical activity of the heart for digital display in the form of a graph, to assist a physician in assessing electrical cardiac physiology [electrocardiography (ECG)]. It may be available with a variety of features [e.g., single-channel, multichannel, interpretive software, data telemetry]; electrodes may be included.
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