A huge study suggests the Apple Watch can detect a worrisome irregular heartbeat ... at least sometimes
WASHINGTON — A huge study suggests the Apple Watch can detect a worrisome irregular heartbeat at least sometimes — but experts say more work is needed to tell if using wearable technology to screen for heart problems really helps.
But even among those flagged, “it’s not perfect,” cautioned Dr. Richard Kovacs of the American College of Cardiology, who wasn’t involved with the study. A-fib tends to come and go, and a week of monitoring might have missed some cases, said Stanford lead researcher Dr. Mintu Turakhia. But if the watch detected another irregular heartbeat while someone was wearing the EKG patch, 84 percent of the time it really was a-fib, he said.
“I would not advise this to the overall general population,” said Dr. Valentin Fuster, director of Mount Sinai Heart in New York and a former American Heart Association president, who wasn’t involved with the study. Instead, he’d like to see it tested in seniors with risk factors like high blood pressure.
How do doctors check for it? A-fib is most common in older adults, and other risks include high blood pressure or a family history of arrhythmias. But routine screening isn’t recommended for people without symptoms. Studies haven’t yet proved that early detection from screening would prevent enough strokes to outweigh risks from unnecessary testing or overtreatment.
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