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“I don't think HRV is used in day-to-day clinical medical practice. But it's gained a lot more popularity in regular consumers with these noninvasive monitors.”
“There is no specific number for what's bad, what's good.”
“HRV represents a snapshot of how balanced your autonomic nervous system is: the sympathetic response that energizes you and the parasympathetic response that brings you back to equilibrium. HRV is generally viewed as a representation of how 'steady-state' your nervous system is; especially when tracking your HRV over time versus evaluating your daily performance.”
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Task Force of the European Society of Cardiology the North A Electrophysiology (1996) studied this question.
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