Apple Watch ECG app is finally available in Japan
Apple Watch Series 4 that appeared in 2018, Apple Watch Series 5 of 2019 model, and Apple Watch Series 6 of the latest model of 2020, which will be available by updating to watchOS 7.3.
It has been announced that the 'ECG application', which has been available in some regions such as the United States for more than two years, will finally be available in Japan. There are three compatible devices,
ECG application and irregular heart rate notification feature on Apple Watch-Apple (Japan)
With the release of iOS 14.4 and watchOS 7.3, the 'ECG application' will be available in Japan on Apple Watch Series 4/5/6. In addition, the 'irregular heart rate notification function' will also be available on Apple Watch Series 3 and later devices.
These features help detect the most common signs of atrial fibrillation (AFib) in arrhythmias. Regarding atrial fibrillation, Apple explains, 'If left untreated, it can lead to stroke, the second leading cause of death in the world.'
In addition, there have been many reports of cases where the 'ECG application' and 'irregular heartbeat notification function' saved the life of the user.
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The ECG application is an app that allows you to record an ECG similar to a Lead I ECG using the crystals on the back cover of the Apple Watch Series 4/5/6 and the electrodes built into the Digital Crown. ..
You can record an electrocardiogram at any time by opening the ECG application and pointing your finger at the Digital Crown. When the user touches the Digital Crown, the circuit functions and the electrical signal passing through the heart is recorded. Recording takes 30 seconds and heart rate rhythms can be classified as atrial fibrillation, sinus rhythm, low heart rate, high heart rate, or undeterminable. In addition, among the records through the application, the symptoms that require classification and attention are safely stored in the iPhone healthcare application. You can also share the resulting PDF with your doctor.
The 'irregular heart rate notification function' is a function that occasionally checks the user's heart rate rhythm in the background and notifies the user when an irregular heart rate rhythm with signs of atrial fibrillation is detected. Take at least 65 minutes to check your heart rate rhythm 5 times.
Examples of notifications are as follows.
Haruo Ozaki, Chairman of the Tokyo Medical Association, said, 'I am very pleased that the ECG application and the notification function of irregular heartbeats will finally be available in Japan. In the future, these functions of Apple Watch will be atrial atrial. I hope that we will detect fibrillation at an early stage, interact with doctors, and play a role in linking it to treatment. '
The 'ECG application' and 'irregular heart rate notification function' have been approved by the Minister of Health, Labor and Welfare as Japanese managed medical devices (home electrocardiograph program) and managed medical devices (home heart rate monitor program). It is said that there is.
The ability of the ECG application to accurately classify ECG records into atrial fibrillation (AFib) and sinus rhythm has been validated in clinical trials involving approximately 600 people. In the verification, the rhythm classification by the 12-lead ECG, which is the standard standard by doctors, was compared with the rhythm classification recorded by the ECG application at the same time. In this validation, the Apple Watch ECG application showed 98.3% sensitivity in the atrial fibrillation classification and 99.6% specificity in the sinus rhythm classification among the classifiable records. In this study, 87.8% of all records could be classified by the electrocardiogram application.