From the Oura Ring to the Apple Watch to the Google Pixel — here's what the science really says about the accuracy of their health data ...

A reference board lets engineers capture clean heart signals by combining ECG, motion, and mechanical heart sensing in one patch.

Fitness wearables, like smartwatches, are becoming smarter with each iteration. In addition to step, heart rate, and workout tracking, newer versions are even able to measure your ECG ...

One of the most notable features that Apple has introduced in recent years is ECG. Short for electrocardiogram, it is essentially the measurement of your heart's electrical activity and includes ...

Apple considered other ways to measure a user's heart using an ECG before launching the Apple Watch Series 4, including using an armband and wirelessly-connected electrodes. In September 2018, Apple ...

Owners of some Samsung smartwatches can now take accurate ECG readings from the wrist – after the feature was launched in more counties worldwide. While the sensors were in place on those watches when ...