![]() The other way to say that: They’d need FDA approval to do so, and no wearables maker wants to get this wrong. Apple says it lets users set the rate at which this triggers an alert (rather than use its vast trove of extensive research that would indicate a constant 140bpm when you’re sitting still is unhealthy), because they’re not in the business of giving health advice. An elevated heart rate when you’re sitting at your desk and stressing about work could be indicative of a panic attack a heart condition. Still, if you’re loath to wear a strap, the Watch is state of the art for heart rate capture at the wrist, and we give Apple props for constant improvement, and for adding heart rate recovery and resting rates as stats you can now see right on your wrist during the day and post-workout.Īpple also added a function (also works with legacy Apple Watches) that will notify users if their heart rate spikes at least three times over the period of ten minutes while a wearer is sedentary since the Watch senses motion it can discern between when you’re moving and not, even if you don’t tell the Watch you’re working out. ![]() No wrist-worn wearable we’ve tested is as accurate as an EKG chest strap (that isn’t trying to read your pulse via light profusion, a la the Watch, but instead reads the electrical impulses of your heart directly). We’ve seen some aberration during exercises with a lot of wrist movement, such as jumping rope, and Apple even warns users that capturing heart rate is an imperfect art. During testing with Series 2 over the past year, and more recently with Series 3, we’ve found the Apple Watch is generally very good at capturing heart rate during fitness. The way the Watch, both Series 2 and Series 3, captures HR is by taking a very short, few-second sample of the beat interval.
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