Heart rate variability (HRV) is defined as the short-or longterm variation of heart rate
measured by beat-to-beat analysis. HRV represents a variable marker of autonomic activity …

Heart rate variability (HRV) is an easily measurable physiological indicator with relevant
clinical applicability. One important problem for HRV researchers is the lack of common data …

Heart Rate Variability (HRV) analysis has established itself as a noninvasive research and
clinical tool for indirectly investigating both cardiac and autonomic system function in both …

Several parameters assessing nonlinear properties of heart rate variability (HRV) from short-
term (< 10 min) laboratory recordings have been proposed so far, but their reliability is …

Background: In heart rate variability (HRV) studies, the duration of the electrocardiographic
recordings may vary between 20 seconds and 24 hours. Little is known about the …

Although heart rate (HR) is one of the most important clinical parameters determined via
physical examinations, little information is available on the normal HR in dogs, which may …

Objective To describe heart rate variability (HRV) analysis, especially time-and
frequencydomain analyses, and some of its investigational applications in clinical …

There are numerous methods and approaches available for time-series analysis. This
chapter presents selected methods, which are or at least could be useful when analyzing …

Heart rate variability (HRV) is a reliable reflection of the many physiological factors
modulating the normal rhythm of the heart. In fact, they provide a powerful means of …