Apple Watch can now detect heart attack signs

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According to study published in the Texas Heart Institute Journal, the Apple Watch could be used to monitor for heart attack symptoms.

Due to a blockage in the blood supply to the heart, myocardial infarction happens when some cardiac muscle cells are not given adequate oxygen. The electrocardiogram (ECG) capability on Apple Watch Series 4, 5, 6, and 7 models, which allows users to record several ECG leads on various body areas, has being studied by researchers from the Texas Heart Institute as a tool to help diagnose the signs of myocardial infarction.

The amount of time before therapy starts affects how a heart attack turns out. Within an hour of the onset of symptoms, more than half of people who have a myocardial infarction pass away in the emergency room or before they can go to a hospital. According to the research, the Apple Watch may accurately predict the likelihood of a heart attack when symptoms first appear, provide the user a clear signal to call help right away, and shorten the time it takes for them to receive it.

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The 12-lead electrocardiogram is the standard method used by doctors to confirm myocardial infarction; however, the Apple Watch records a single-lead ECG utilising a positive electrode on the back of the device and a negative electrode on the Digital Crown. As a result, while the Apple Watch could not replace high-quality medical equipment used in hospitals, it could offer a fresh screening method for other settings.

The device can record multiple-lead ECG data that precisely detect the ST change during a heart attack, which the researchers think indicates that the Apple Watch has promise for diagnosing myocardial infarction. The current study offers a sneak peek at one of the novel health-monitoring capabilities that may eventually be an official Apple Watch function, but more clinical data are needed.

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