The cardio-respiratory couplings observed in the LDF signal using wavelet bispectrum.

Jamšek, Janez and Stefanovska, Aneta (2008) The cardio-respiratory couplings observed in the LDF signal using wavelet bispectrum. IEEE Engineering in Medicine and Biology Society Annual Conference (EMBS) . IEEE, NEW YORK, NY 10017 USA. ISBN 978-1-4244-0787-3

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Abstract

Bispectral analysis, introduced recently as a technique for revealing time-phase relationships among interacting noisy oscillators, has been used to study the nature of the coupling between cardiac and respiratory activity. Univariate blood flow signals recorded simultaneously by laser-Doppler flowmetry (LDF) on both legs and arms were analysed. Coupling between cardiac and respiratory activity was also checked by use of bivariate data and computation of the cross-bispectrum between simultaneously recorded ECG, blood pressure and respiratory signals. Recordings were taken during spontaneous breathing and paced respiration. It is shown that cardiorespiratory coupling exists during spontaneous as well as during paced respiration and that coupling information among cardiac and respiratory processes in young, healthy subjects is spatially invariant, but can be expected to change with cardiovascular diseases.

Item Type: Book/Report/Proceedings
Additional Information: 2007 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOLS 1-16
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 11270
Deposited By: Dr Aneta Stefanovska
Deposited On: 12 Aug 2008 15:58
Refereed?: No
Published?: Published
Last Modified: 21 Jun 2019 23:20
URI: https://eprints.lancs.ac.uk/id/eprint/11270

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