What is heart rate variability (HRV)? As popular as the metaphor may be, a healthy heart doesn’t beat as regularly as a metronome. In fact, it changes its rhythm with each beat.

Context Explanation

Heart rate variability ... TheHealthSite: Heart rate over 100 beats per minute? Here’s what it could mean for your heart Heart rate over 100 beats per minute? Here’s what it could mean for your heart Your heart rate can tell you a lot about your fitness and cardiovascular health.

Insight Material

Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ... Add Yahoo as a preferred source to see more of our stories on Google. It may sound dramatic, but the rate at which your heart is beating plays a key role in how long you’re likely to live. According ...

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Consider two athletes, A and B. Athlete A has a maximum heart rate of 205 beats per minute, while Athlete B has a maximum heart rate of 165 beats per minute. Who’s better? The answer is neither (or ... Yahoo: Heart skipped a beat? How to know the difference between love — and an arrhythmia Heart skipped a beat?

How to know the difference between love — and an arrhythmia