Samsung's Galaxy Watch is now cleared(Opens in a new window) to detect atrial fibrillation (AFib).
The smartwatch received FDA clearance for its Irregular Heart Rhythm Notification (IHRN) function. Housed in the Samsung Health Monitor app, the upcoming feature detects AFib, a type of treated heart arrhythmia that causes the heart to beat too slowly, too fast, or in an irregular way.
Widely considered a warning sign for major issues that can increase the risk of stroke, heart failure, and other complications, AFib may be silently asymptomatic in some, and present as heart palpitations, lightheadedness, extreme fatigue, shortness of breath, or chest pain in others.
IHRN for Galaxy Watch is designed "to help millions of people around the world who may not be aware of a potential heart risk," says Samsung Digital Health Team head Hon Pak.
Once activated, the feature runs in the background, monitoring irregular heart rhythms via a built-in sensor. After a certain number of consecutive fluctuations, the wearable warns of potential AFib activity and prompts for an on-wrist Electrocardiogram (ECG) for a more accurate measurement.
The Irregular Heart Rhythm Notification feature will arrive later this year as part of One UI 5 Watch, rolling out first to upcoming Galaxy Watch devices before expanding to previous editions.
Samsung unveiled its health-conscious wearable platform last week, promising a more personalized and intuitive experience, as well as more robust emergency service options. Galaxy Watch 5 and Galaxy Watch 4 series users in the US can register through the Samsung Members app to test a beta version.
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