In the modern industrialized countries every year several hundred thousands of people die due to sudden cardiac death. The individual risk for this sudden cardiac death cannot be defined precisely by common available, noninvasive diagnostic tools like Holter monitoring, highly amplified ECG and traditional linear analysis of heart rate variability (HRV). Therefore, we apply some rather unconventional methods of nonlinear dynamics to analyze the HRV. Especially, some complexity measures that are based on symbolic dynamics as well as a new measure, the renormalized entropy, detect some abnormalities in the HRV of several patients who have been classified in the low risk group by traditional methods. A combination of these complexity measures with the parameters in the frequency domain seems to be a promising way to get a more precise definition of the individual risk. These findings have to be validated by a representative number of patients.
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March 1995
Research Article|
March 01 1995
Quantitative analysis of heart rate variability Available to Purchase
J. Kurths;
J. Kurths
Arbeitsgruppe Nichtlineare Dynamik der Max‐Planck‐Gesellschaft an der Universität Potsdam, Pf. 601553, D‐14415 Potsdam, Germany
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A. Voss;
A. Voss
MDC, Franz‐Volhard‐Klinik, Wiltbergstrasse 50, D‐13125 Buch, Germany
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P. Saparin;
P. Saparin
Saratov State University, Astrakhanskaja U1. 40, Russia
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A. Witt;
A. Witt
Arbeitsgruppe Nichtlineare Dynamik der Max‐Planck‐Gesellschaft an der Universität Potsdam, Pf. 601553, D‐14415 Potsdam, Germany
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H. J. Kleiner;
H. J. Kleiner
MDC, Franz‐Volhard‐Klinik, Wiltbergstrasse 50, D‐13125 Buch, Germany
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N. Wessel
N. Wessel
MDC, Franz‐Volhard‐Klinik, Wiltbergstrasse 50, D‐13125 Buch, Germany
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J. Kurths
Arbeitsgruppe Nichtlineare Dynamik der Max‐Planck‐Gesellschaft an der Universität Potsdam, Pf. 601553, D‐14415 Potsdam, Germany
A. Voss
MDC, Franz‐Volhard‐Klinik, Wiltbergstrasse 50, D‐13125 Buch, Germany
P. Saparin
Saratov State University, Astrakhanskaja U1. 40, Russia
A. Witt
Arbeitsgruppe Nichtlineare Dynamik der Max‐Planck‐Gesellschaft an der Universität Potsdam, Pf. 601553, D‐14415 Potsdam, Germany
H. J. Kleiner
MDC, Franz‐Volhard‐Klinik, Wiltbergstrasse 50, D‐13125 Buch, Germany
N. Wessel
MDC, Franz‐Volhard‐Klinik, Wiltbergstrasse 50, D‐13125 Buch, Germany
Chaos 5, 88–94 (1995)
Article history
Received:
May 19 1994
Accepted:
August 08 1994
Citation
J. Kurths, A. Voss, P. Saparin, A. Witt, H. J. Kleiner, N. Wessel; Quantitative analysis of heart rate variability. Chaos 1 March 1995; 5 (1): 88–94. https://doi.org/10.1063/1.166090
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