Announced as one of key features of Apple Watch Series 4, the ECG functionality will be released by the end of the year as part of the next software update.
The number comes from a massive RAND Corporation study which included 400,000 participants across the US, Europe and South Africa.
Part of the watchOS 5.2 update, the ECG app can capture heart rhythm in a moment when users experience symptoms such as a rapid or skipped heart beat.
New capabilities include women cycle tracking, Noise app, Activity Trends and App Store right on the wrist; also, there are new watch faces.
The best smartwatch in the world just got better with a slew of new features that will help Apple cement its position at the top of the market.
The Cupertino-based company continues to assess the utility of the Apple Watch band as a location for medical sensors.
The company wants to differentiate itself in an increasingly crowded market of Medicare Advantage plans through its focus on world-class technology.