NDLI: Enhanced Spectral Method for T-Wave Alternans analysis

Content Provider	IEEE Xplore Digital Library
Author	Moreno-Martinez, E. Amo-Lopez, P. Cruz-Roldan, F. Blanco-Velasco, M.
Copyright Year	2007
Description	Author affiliation: Univ. de Alcala, Madrid (Moreno-Martinez, E.; Amo-Lopez, P.; Cruz-Roldan, F.; Blanco-Velasco, M.)
Abstract	The T-wave alternans or ventricular alternans have been closely linked to electrical instability in the heart. Recent studies have demonstrated that T-wave alternans occurence is related with ventricular arrhythmias. So, T-wave alternans detection may help in the diagnostic of heart diseases and sudden cardiac death. TWA consist of a beat to beat alternation of the ST-T complex, and this alternation can be in order of muV. The noise is a critical factor to be considered as it can mask the T-wave alternans when its magnitude is close to the alternan wave. Therefore, T-wave alternans detection techniques are very dependent on the relationship between noise and alternance power. Among the T-wave alternans detection methods, the spectral method is widely used. In this work, a modified version of the spectral method algorithm is presented. The proposed method increases the alternance significance with regard to the noise in the spectral domain. Experimental study, carried out in this work, shows that this new approach yields better performance in a noisy environment.
Starting Page	1
Ending Page	6
File Size	4715644
Page Count	6
File Format	PDF
ISBN	9781424408290
DOI	10.1109/WISP.2007.4447637
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-03
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cardiac disease Surface morphology repolarization Noise level T¿wave alternans (TWA) Heart rate Pathology electrocardiogram (ECG) Working environment noise ST¿T complex Electrocardiography Frequency Samarium spectral method (SM) Demodulation
Content Type	Text
Resource Type	Article

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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
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