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/cdn.vox-cdn.com/uploads/chorus_asset/file/9693871/akrales_171113_2119_0074.jpg "The Apple Watch heart monitor sends too many people to the doctor - The Verge")
The Apple Watch heart monitor sends too many people to the doctor - The Verge
Apple Watch heart rate guide: How to use all of Apple's HR features - Wareable
Heart health notifications on your Apple Watch - Apple Support
Can you rely on your smartwatch to monitor your heart rate? - Hunter Rehabilitation & HealthHunter Rehabilitation & Health
The differences between ECG heart rate monitors and optical heart rate monitors - Coolblue - anything for a smile
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Is wrist based heart rate accurate? Apple Watch vs. Garmin vs. Amazfit - YouTube
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Health study finds Apple Watch has the most accurate heart-rate monitor
