Abstract:Background:
Background: Heart rate variability (HRV) analysis is a relevant indicator of autonomic nervous system function over the cardiovascular system. The usual way to measure this variability is from the electrocardiogram (ECG).
Objective:
To assess the validity of HRV measurements obtained from a heart rate monitor (HRM) Polar® V800 in critically ill adult subjects.
Materials and Methods:
A prospective, repeated measures, observational study was conducted in two in the Chilean intensive care units. T… Show more
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