Guidelines Heart rate variability

  • Task Force of The European Society of Cardiology and The North American
  • and Electrophysiology S
  • 2

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Abstract

The last two decades have witnessed the recognition of a significant relationship between the autonomic nervous system and cardiovascular mortality, including sudden cardiac death[1–4]. Experimental evidence for an associ- ation 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. The apparently easy derivation of this measure has popularized its use. As many commercial devices now provide automated measurement of HRV, the cardiologist has been pro- vided with a seemingly simple tool for both research and clinical studies[5]. However, the significance and meaning of the many different measures of HRV are more complex than generally appreciated and there is a potential for incorrect conclusions and for excessive or unfounded extrapolations. Recognition of these problems led the European Society of Cardiology and the North American Society

Author-supplied keywords

  • american
  • autonomic nervous system
  • co-sponsored by the north
  • computers
  • electrocardiography
  • established by the board
  • heart rate
  • of the european
  • overall hrv
  • risk factors
  • society of cardiology and
  • the task force was

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Authors

  • Task Force of The European Society of Cardiology and The North American

  • Society of Pacing and Electrophysiology

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