Key result
Heart rate variability is a useful tool for cardiovascular risk stratification, though absolute power is not a surrogate of autonomic tone.
Design
Review
Authors
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Cautions against equating HRV power with autonomic tone; leaves open refined risk-stratification applications.
HRV is a valuable tool for assessing cardiovascular risk and autonomic balance, though its utility in anesthesia monitoring is limited by confounding factors.
L. A. Fleisher (1996) conducted a review in Cardiovascular status and autonomic balance. Heart rate variability (HRV) was evaluated. Heart rate variability is a useful tool for cardiovascular risk stratification, though absolute power is not a surrogate of autonomic tone.
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