A racing heart is usually a sign of agitation or excitement. But if it's not unusual for your heart to beat too fast or to skip a beat, it might be worth having it checked out by a doctor. In order to ...

You track your VO2 max and working heart rate, but this underrated biometric may tell you more about your heart and long-term ...

That subtle thumping you feel in your wrist or neck is more than just the rhythm of life; it's a vital sign that can offer valuable insights into your heart health. Your resting heart rate (RHR), ...

From Apple Watches to Fitbits to treadmills, there are more ways than ever for people to keep up with their vitals. So why does so much fitness tech check your pulse? Because your resting heart rate ...

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

What we physicians tell patients should be based on evidence, but that doesn’t always happen. A good example is when patients ask what their pulse rate should be and we tell patients between 60 and ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

Don’t get me wrong, wrist-based heart rate tracking on smartwatches has improved loads over the years, but if you do anything ...

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...

Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses WiFi signals to measure a person's heart rate. Heart rate is one of the most basic and important ...