Medically reviewed by Jeffrey S. Lander, MD Key Takeaways Go to the hospital if a rapid heart rate is with chest pain, ...

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...

In TODAY.com's Expert Tip of the Day, a cardiologist explains why a lower resting heart rate can be a good sign of heart health and how to improve this vital sign. Resting heart rate — the number of ...

It's healthy to know your numbers. Learn about resting and maximum heart rates, exercise targets, and when to consult a doctor about heartbeat irregularities.

It's essential to seek emergency care if a rapid heartbeat is paired with confusion or chest pain. ER treatments for tachycardia include medications and electrical cardioversion. Managing stress and ...

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 ...

Apple Watch heart rate tracking now rivals medical-grade devices when settings and calibration are optimized. Using advanced optical sensors with green LEDs, Series 4 and newer models continuously ...