Document Detail


Improved heart rate variability signal analysis from the beat occurrence times according to the IPFM model.
MedLine Citation:
PMID:  10943046     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The heart rate variability (HRV) is an extended tool to analyze the mechanisms controlling the cardiovascular system. In this paper, the integral pulse frequency modulation model (IPFM) is assumed. It generates the beat occurrence times from a modulating signal. This signal is thought to represent the autonomic nervous system action, mostly studied in its frequency components. Different spectral estimation methods try to infer the modulating signal characteristics from the available beat timing on the electrocardiogram signal. These methods estimate the spectrum through the heart period (HP) or the heart rate (HR) signal. We introduce a new time domain HRV signal, the Heart Timing (HT) signal. We demonstrate that this HT signal, in contrast with the HR or HP, makes it possible to recover an unbiased estimation of the modulating signal spectra. In this estimation we avoid the spurious components and the low-pass filtering effect generated when analyzing HR or HP.
Authors:
J Mateo; P Laguna
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  IEEE transactions on bio-medical engineering     Volume:  47     ISSN:  0018-9294     ISO Abbreviation:  IEEE Trans Biomed Eng     Publication Date:  2000 Aug 
Date Detail:
Created Date:  2000-09-18     Completed Date:  2000-09-18     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0012737     Medline TA:  IEEE Trans Biomed Eng     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  985-96     Citation Subset:  IM    
Affiliation:
Departamento de Ingeniería Electrónica y Comunicaciones, Universidad de Zaragoza, Spain. jmateo@posta.unizar.es
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MeSH Terms
Descriptor/Qualifier:
Analysis of Variance
Biomedical Engineering
Heart Rate*
Humans
Models, Cardiovascular*
Signal Processing, Computer-Assisted

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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