Medical Xpress July 30, 2024
Wearables measure several aspects of health, and heart rate variability might be one of those. It may be surprising when your device informs you that your heart rate variability is high or low, but what does it mean? Elijah Behr, M.D., a cardiologist at Mayo Clinic Healthcare in London, explains heart rate variability and how it factors into health.
What does heart rate variability measure?
“It measures the balance of nerve activity in the body and the way it relates to your heart rate and blood pressure,” Dr. Behr explains.
The nerve system that heart rate variability relates to is called the autonomic nervous system. It can be thought of as the balance between the effects of adrenaline in the...
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