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Stanford Medicine launches Apple Heart Study with 400,000 participants



  The results of the study of heart health in Stford from Apple 03162019

Apple and Stanford's Medicine announced the results of the study Apple Heart Study, which is "the largest study of this kind, which spanned more than 400,000 participants from all 50 states

Objective the study was to look at the irregular rhythmic notification function of Apple Watch, which continuously checks against irregular heart rhythms that may harbor atrial fibrillation (AFib): 1

9659004] As part of a study if irregular heart rhythm was detected of participants received their Apple Watch and iPhone, telemedicine consultation with a doctor and a patch to the electrocardiogram (ECG) for additional monitoring.

is proud to work with Stanford's medicine as they conduct this important study and are looking forward to learning more about the impact of Apple Watch with the medical community, "said Jeff Williams, Apple's Operations Director at a statement. "We hope that consumers will continue to receive useful and effective information about their health through Apple Watch."

The results were published today by Stanford's researchers at the 68th Annual Scientific Session and Expo of the American College of Cardiology. Some key findings:

  • The comparison between irregular pulse detection on Apple Watch and simultaneous electronic cardiographic records showed that the pulse detection algorithm (indicative of positive tachogram reading) has a 71% positive predictive value. In 84% of cases, participants who received irregular impulse messages were found at atrial fibrillation at the time of the message.
  • One third (34%) of participants who received irregular pulses and followed-up notifications Using an ECG patch a week later revealed atrial fibrillation. Since atrial fibrillation is a discontinuous condition, it is not surprising that it was not detected in subsequent ECG monitoring

. Out of more than 400,000 participants, the results showed that 0.5% had reported irregular heart rhythm. The study says that almost 57% approached doctors after receiving a message. Apple reports that this feature saves "unnecessary load" on the physician's schedule.

Sumbul Desai, MD, vice president of public health at Apple, said: "The vision of medical research reflects what we hear from consumers and we are glad to see

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