The Influence of External Mechanical Carotid Sinus Stimulation on Heart Rate Variability

  • H. Pessenhofer
  • P. Kerschhaggl
  • G. Schwaberger


Calculation of heart rate on a beat-to-beat basis shows that the time series of successive heart beats exhibits variability. By elementary mathematical methods, this time series can be split up in two parts: (a) the time average or constant part (called mean heart rate), (b) the time varying part (called sinus arrhythmia or heart rate variability).


Heart Rate Variability Probability Density Function Respiratory Sinus Arrhythmia Carotid Sinus Periodic Component 
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Copyright information

© Springer Science+Business Media New York 1982

Authors and Affiliations

  • H. Pessenhofer
    • 1
  • P. Kerschhaggl
    • 1
  • G. Schwaberger
    • 1
  1. 1.Physiologisches InstitutUniversität GrazGrazAustria

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