cardiac arrhythmia monitoring
The device continuously monitors four significant vital signs: heart rate, heart rate variability, respiratory rate and activity.
The Fitbit Heart Study is looking to enroll 200,000 to 250,000 device owners, and will support clinical evaluation and regulatory submissions of the company's PPG atrial fibrillation algorithm.
A newly published notice from the FDA suggests a new capability for the Alphabet subsidiary's clinical research wearable.