The Apple Watch Series 4's transformation from miniature iPhone and fitness tracker to medical device is now complete with the release of the ECG (electrocardiogram) app and irregular heart rhythm ...

A 49-year-old woman with rheumatoid arthritis visits her physician for a routine evaluation. She does not have any symptoms, and her arthritis is under control. Her heart rate is noted to be elevated, ...

ECG monitors, also known as EKGs, can measure your heart rate and rhythm. Having one at home can be helpful, but what type should you get? Check out our picks to get started. ECG or EKG stands for ...

Electrocardiograms (ECG) are devices that doctors can use to record the heart’s electrical activity. Portable devices are also available for people who wish to monitor their heart health at home.

Apple Watch Series 4 has two FDA-cleared heart features that can warn about life-threatening conditions. Here's what happened when I tested Apple's ECG against a medical-grade EKG. Vanessa is a lead ...