A number of wrist-worn fitness and heart rate monitors exist to provide heart readings and help guide a person’s physical activity. But there is variable accuracy among these monitors, according to a ...

New early-warning tools and technologies have emerged in recent years to help hospitals monitor patients for subtle but dangerous signs of a worsening condition, according to The Wall Street Journal.

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...

The NHS has started rolling out a new at-home heart monitor designed to detect heart rhythm problems. Unlike traditional monitors that can require lengthy set-up by a trained physiologist, the ...