Experientia

, Volume 44, Issue 11–12, pp 983–987 | Cite as

Nonlinear dynamics in sudden cardiac death syndrome: Heartrate oscillations and bifurcations

  • A. L. Goldberger
  • D. R. Rigney
  • J. Mietus
  • E. M. Antman
  • S. Greenwald
Short Communications

Summary

Patients at high risk of sudden cardiac death show evidence of nonlinear heartrate dynamics, including abrupt spectral changes (bifurcations) and sustained low frequency (.01–.04 Hz) oscillations in heartrate.

Key words

Autonomic nervous system electrocardiography fractals heart failure nonlinear dynamics ventricular fibrillation ventricular tachycardia 

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Copyright information

© Birkhäuser Verlag 1988

Authors and Affiliations

  • A. L. Goldberger
    • 1
  • D. R. Rigney
    • 1
    • 3
  • J. Mietus
    • 1
  • E. M. Antman
    • 2
  • S. Greenwald
    • 3
  1. 1.Cardiovascular DivisionBeth Israel Hospital & Harvard Medical SchoolBoston
  2. 2.Cardiovascular DivisionBrigham and Women's Hospital & Harvard Medical SchoolBoston
  3. 3.Harvard-MIT Division of Health Sciences and TechnologyMassachusetts Institute of TechnologyCambridgeUSA

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