Your smartwatch heart rate is good, but these are better ...

A heart rate monitor may be the key to unlocking your fitness goals. That’s because heart rate is a reliable indicator of your exercise input—it reflects the effort applied to every workout. Keeping ...

Heart sounds are created as blood flows through the heart's valves, causing them to open and close. Abnormal heart sounds such as murmurs may indicate problems with the heart valves. Ordinarily, heart ...

Keeping track of your heart rate while working out is now easier than ever, thanks to wearables like smartwatches and fitness trackers. However, the gold standard for heart rate data is a chest strap ...