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Non-linear dynamics in heart rate variability of normal subjects and chagasic patients

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5 Author(s)
Guillen, P. ; Centre de Reserca en Enginyeria Biomed., Univ. Politecnica de Catalunya, Barcelona, Spain ; Vallverdu, M. ; Jugo, D. ; Carrasco, H.
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Tachograms of two groups, one consisting of 15 chagasic patients (Group II) and the second group consisting of 18 healthy persons as a control group, were investigated. The tachograms (R-R intervals) were obtained from high resolution ECG. Statistical analysis of the first Lyapunov exponent and complexity changes through symbolic dynamics showed that parameters obtained from non-linear analysis could be used to discriminate between chagasic patients and healthy persons

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Engineering in Medicine and Biology Society, 2000. Proceedings of the 22nd Annual International Conference of the IEEE  (Volume:4 )

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