Introduction: Five-minute heart-rate variability (HRV) measurement is a useful tool for
assessing the autonomic nervous system (ANS) balance in humans, but there are no studies …

Background: The modulation of heart rate by autonomic nervous system may be evaluated
by the heart rate variability (HRV), which illustrates the fluctuations between RR intervals. To …

Chronic exposure to stressful environments can negatively impact cats' health and welfare,
affecting behavioral, autonomic, endocrine, and immune function, as with cats in shelters …

OBJECTIVE: This study investigatest the influence of sampling period duration, time of day,
age, sex, body weight and degree of mitral valve prolapse (MVP) on various measures of …

Objective—To determine characteristics of power spectral analysis of heart rate variability
(HRV) during a 24-hour period in dogs and to evaluate the effects of vagal and sympathetic …

Heart rate variability (HRV) is considered to be a measure of autonomic regulation of cardiac
activity for assessing stress and welfare in animals. Polar® human heart rate monitors are …

The objective of the pilot study was to compare validity and reliability properties of Polar
RS800CX (Polar Electro Oy, Kempele, Finland) against simultaneously recorded …

Heart rate variability (HRV) is a well established mortality risk factor in both healthy dogs and
those with heart failure. While the standards for short-term HRV analysis have been …

Heart rate variability (HRV) reflects the balance of the autonomic nervous system (ANS).
There are two key HRV parameters: high frequency (HF), which is correlated with 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 …