NDLI: Analysis of the spectrum of cardiac signals during partially correlated spatiotemporal dynamics: A simulation approach

Content Provider	IEEE Xplore Digital Library
Author	Beltran-Molina, Ferney A. Salgado, Lizet C. Martinez, Luis J. Requena-Carrion, Jesus
Copyright Year	2015
Description	Author affiliation: Queen Mary University of London, UK (Requena-Carrion, Jesus) \|\| Universidad ECCI, Bogotá, Colombia (Beltran-Molina, Ferney A.; Salgado, Lizet C.; Martinez, Luis J.)
Abstract	The relationship between the spectrum of cardiac signals and the spatial resolution of electrode systems has been previously investigated for highly correlated cardiac dynamics. This relationship is however less understood for partially correlated cardiac dynamics, which can be suitable to model complex arrhythmias such as fibrillation. In this study, we analyze in a 2D simulation environment the spectrum of cardiac signals induced by partially correlated dynamics. We generate cardiac dynamics of different degrees of spatiotemporal correlation and synthesize cardiac signals measured by unipolar electrodes of different spatial resolutions. We quantify the spatial resolution by the lead equivalent volume (LEV) and show that for low LEV values, the bandwidth (BW) is inversely related to the LEV whereas for higher LEV values, the BW saturates. Moreover, the LEV saturation point is lower for lower degrees of spatiotemporal correlation. Our observations could help in devising new techniques for analyzing the spectrum of cardiac signals during complex cardiac arrhythmias.
Starting Page	85
Ending Page	88
File Size	708614
Page Count	4
File Format	PDF
ISBN	9781509006854
ISSN	2325887X
e-ISBN	9781509006847
DOI	10.1109/CIC.2015.7408592
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-06
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Creative Commons Attribution License 2.5 (CCAL)
Subject Keyword	Spatiotemporal phenomena Electrodes Correlation Spatial resolution Biological system modeling Computational modeling Lead
Content Type	Text
Resource Type	Article
Subject	Computer Science Cardiology and Cardiovascular Medicine

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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