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URN: urn:nbn:de:kobv:517-opus-13470
URL: http://opus.kobv.de/ubp/volltexte/2007/1347/


Kurths, Jürgen ; Voss, A. ; Witt, Annette ; Saparin, P. ; Kleiner, H. J. ; Wessel, N.

Quantitative analysis of heart rate variability

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Dokument 1.pdf (238 KB)


Kurzfassung in Englisch

In the modern industrialized countries every year several hundred thousands of people die due to the sudden cardiac death. The individual risk for this sudden
cardiac death cannot be defined precisely by common available, non-invasive 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 analyse the HRV.
Especially, some complexity measures that are basing 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.

Institut 1: Institut für Physik und Astronomie
Institut 2: Interdisziplinäres Zentrum Dynamik komplexer Systeme
Institut 3: Extern
DDC-Sachgruppe: Physik
Dokumentart: c Preprint (Vorabdruck)
Schriftenreihe: NLD Preprints
Bandnummer: paper 005
Sprache: Englisch
Erstellungsjahr: 1994
Publikationsdatum: 18.05.2007


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