Once more of a fashion piece than anything, the Apple Watch has gradually evolved to become a highly competent health and fitness wearable. In part, that's thanks to the addition of its ECG app.

在多次尝试自我调节无果后，她决定利用Apple Watch的心电图（ECG）功能进行自我检测。她按照指示操作，将手指放在表冠上，手臂平放在桌面上 ...

Since rolling out about a month ago, we’ve already seen a handful of stories involving people who were alerted to potentially dangerous heart conditions via the ECG app on their Apple Watch ...

The researchers gave 33 subjects two devices, the iPhone 7 and an Apple Watch Series 6 that supports ECG monitoring. Furthermore, they instructed the participants to collect ECGs six times a day ...