2min chapter

Hanu HRV cover image

What is Heart Rate Variability, And How to Use It to Optimize Your Life (orig. aired on Ben Greenfield Fitness podcast)

Hanu HRV

CHAPTER

The Difference Between Time Domain and Frequency Domain Measurements of Hr V

As we age, h r v tends to go down the more sedentary we are. In elite athletes, i have seen amplitude as high as to 60 beats per minute. This is not a great index of vegal tone. It can be mediated by respiration and normally depends on both age and fitness level. If you subtract the peak heart rate in the cycle and the lowest heart rate at the end of the cycle, this will provide h r v amplitude. Some patients with cardio vascua disease or chronic pain go from 70 beats per minute to 73 beats per minute,. which would only be an amplitude, or heart rate variability, of three beats per minute - extremely low.

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