ECG App on Apple Watch Available Across Europe and Hong Kong

ECG App on Apple Watch Available Across Europe and Hong Kong

Foto: Apple

The ECG app on Apple Watch Series 4, a product that enables customers to take an electrocardiogram right from their wrist, is available in Hong Kong and 19 European countries, including France, Germany, Italy, Spain and the United Kingdom. In addition to receiving De Novo clearance in the US from the FDA, the ECG app and irregular rhythm notification2 are now CE marked and cleared in the European Economic Area.

Part of the free watchOS 5.2 software update, the ECG app can capture heart rhythm on demand in a moment when users experience symptoms such as a rapid or skipped heart beat and help provide clinically important data to physicians. The irregular rhythm notification feature on Apple Watch occasionally checks heart rhythm in the background and sends a notification if an irregular heart rhythm that appears to be atrial fibrillation (AFib) is identified.

“We’ve seen the ECG app and irregular rhythm notifications on Apple Watch have meaningful impact on our customers across the United States,” said Jeff Williams, Apple’s chief operating officer. “We are excited to bring these features to customers in Europe and Hong Kong, giving them access to empowering information about their heart health.”

New electrodes built into the back crystal and Digital Crown on Apple Watch Series 4 work together with the ECG app to enable customers to take an ECG similar to a single-lead electrocardiogram. Taking an ECG recording is as simple as launching the app and touching the Digital Crown, which completes the circuit and allows electrical signals across the user’s heart to be measured. After 30 seconds, the ECG app can classify the user’s heart rhythm as AFib or sinus rhythm.

A clinical trial of around 600 participants found the ECG app on Apple Watch demonstrated 98.3 percent sensitivity in classifying AFib and 99.6 percent specificity in classifying sinus rhythm in classifiable recordings when compared to a gold standard 12-lead ECG administered by a cardiologist. 87.8 percent of recordings in the study could be classified by the ECG app. Available on Apple Watch Series 1 or later, the irregular rhythm notification feature will occasionally check the user’s heart rhythm in the background for signs of an irregular heart rhythm using the optical heart sensor. If an irregular rhythm is detected on five rhythm checks over a minimum of 65 minutes, Apple Watch alerts the user with a notification.

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