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  Heart Rate Variability (HRV)

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Heart Rate Variability (HRV)

In 1994, a Task Force was established by the Board of the European Society of Cardiology and co-sponsored by the North American Society of Pacing and Electrophysiology to study Heart Rate Variability. In order to achieve their goals, the members of the Task Force were drawn from the fields of clinical medicine, physiology, mathematics, and engineering.

According to the Task Force, “The last two decades have witnessed the recognition of a significant relationship between the autonomic nervous system and cardiovascular mortality, including sudden cardiac death…an association between a propensity for lethal arrhythmias and signs of either increased sympathetic or reduced vagal activity has encouraged the development of quantitative markers of autonomic activity…Heart rate variability (HRV) represents one of the most promising such markers.”1

The Task Force established the following guidelines which are used by the Max Pulse screening device. Heart Rate Variability, European Heart Journal (1996) 17, 354-3811, Learn More…

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In 2003 in Seoul, Korea a study was done using the Max Pulse technology and involved 8 medical and research universities. According to the study, “With HRV’s usefulness as an evaluation tool of autonomic nerves, it is widely used on stress research…because stress reaction appears as biochemical physiological response in a human body through the response between HPA axis and autonomic nerves. The failure or abnormality of autonomic nerves is related to many of stress symptoms.”2 The study involved 3,483 patients and established a base line for measuring stress and how it correlates with HRV.
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