Dr. Richard Page answers the question: 'What Causes Defibrillator To Fire?' — -- Question: What kind of heart rhythm problems will cause my defibrillator to fire? Answer: Your defibrillator is ...

If Your Smartwatch Says You Have a High Heart Rate, This Is the First Thing to Check originally appeared on Parade. Smartwatches didn't launch with the first Apple Watch in 2015. The Seiko ...

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

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 ...