Document Detail

Intrinsic mode analysis of human heartbeat time series.
MedLine Citation:
PMID:  20119846     Owner:  NLM     Status:  MEDLINE    
The human heartbeat interval is determined by complex nerve control and environmental inputs. As a result, the heartbeat interval for a human is a complex time series, as shown by previous studies. Most of the analysis algorithms proposed for characterizing the profile of heartbeat time series, such as detrended fluctuation analysis and multi-scale entropy, are based on various characteristics of dynamics. In this study, we present an empirical mode decomposition-based intrinsic mode analysis, which uses the appearance energy index (AEI) to quantify the property of long-term correlation, and structure index (SI) to characterize the internal modulation of data. This presented algorithm was used to investigate the human heartbeat time series downloaded from PhysioBank. We found the profiles of human heartbeat time series of subjects with congestive heart failure (CHF) or atrial fibrillation (AF) are significantly different from those of healthy subjects in internal modulation as shown by SI. Moreover, AEI is the critical characteristics for verifying subjects with CHF from subjects with AF in a degree of long-term correlation. Both AEI and SI contribute to presenting the characteristic profiles of a human heartbeat time series.
Jia-Rong Yeh; Wei-Zen Sun; Jiann-Shing Shieh; Norden E Huang
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Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-01-30
Journal Detail:
Title:  Annals of biomedical engineering     Volume:  38     ISSN:  1573-9686     ISO Abbreviation:  Ann Biomed Eng     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-03-26     Completed Date:  2010-06-30     Revised Date:  2013-05-30    
Medline Journal Info:
Nlm Unique ID:  0361512     Medline TA:  Ann Biomed Eng     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1337-44     Citation Subset:  IM    
Department of Mechanical Engineering, Yuan Ze University, 135 Yuan-Tung Rd., Chung-Li, Taoyuan 320, Taiwan.
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MeSH Terms
Atrial Fibrillation / diagnosis*,  physiopathology*
Computer Simulation
Diagnosis, Computer-Assisted / methods
Electrocardiography / methods*
Heart Failure / diagnosis*,  physiopathology*
Heart Rate*
Models, Cardiovascular*
Signal Processing, Computer-Assisted

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

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