Apple Watch can detect heart problems (but this is not yet accurate)

419,093 people participated in a Stanford University study sponsored by Apple. The purpose of the study is to find out whether the Apple Watch sensor is able to detect atrial fibrillation, heart rhythm disturbances that can cause a stroke. The results of the study were presented at a conference of the American College of Cardiology March 15.

Periodically, a special application checked the pulse data for each participant. If the pulse was irregular, the application sent a notification to the participant.

After that, he had to consult a research doctor and wear an ECG patch for the next week, which measured his cardiac activity. During the study, notifications were received by 2,100 people, that is, only 0.5% of the total number of participants. Researchers found this a good indicator, "given the concern about excessive notifications." Of all the participants who received such notifications, 84% were in a state of atrial fibrillation at this very moment.

According to the ECG results, atrial fibrillation was confirmed in 34%.

Apple Watch can detect heart problems (but this is not yet accurate)

Photo: shutterstock. com

However, until the smart watch has become a reliable diagnostic tool, it is emphasized as

in Apple

and at

Stanford University

. "Atrial fibrillation is just the beginning. Our study opens the door to further research on how gadgets can be used to prevent diseases before they occur," said Stanford University dean Dr.

Lloyd Minor.

Doctors advise skepticism about the testimony of such gadgets. "There are many devices that try to track various characteristics, but very few of them have been tested in a good large-scale clinical trial. It is striking that out of more than four hundred thousand participants, only 0.5% had atrial fibrillation.

But to reduce the level of false-positive results, you need another study with high-risk groups, such as people over 65 years old with heart failure, "Dr. Mitesh Patel commented on the study in a conversation with a CNN correspondent.

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