An electrocardiogram (ECG or EKG) is a quick test that records the electrical signals in the heart; in layman's terms, it ...

These smartwatches perform an ECG using the heart rate monitor and when the ... The device has two electrodes on the top for your index fingers and a third underneath to rest on the skin of ...

It also runs the user interface, which is operated using the ECG sensing pads: if you touch them for less than five seconds, the device goes into menu mode and the two pads become buttons to ...