NDLI: Some investigations with the computation of the QT dispersion index in the ECG-ILSA database

Content Provider	IEEE Xplore Digital Library
Author	Bortolan, G. Bressan, M. Golgerini, F.
Copyright Year	1998
Description	Author affiliation: LADSEB, CNR, Padova, Italy (Bortolan, G.)
Abstract	In the present study two aspects concerning the QT dispersion in rest 12 lead ECG have been considered: the developing of algorithms to compute the index from a limited number of leads, and its prognostic significance in three selected groups. Two indices QTD1 and QTD2 (max-min and standard deviation of the QT values) have been considered In particular the implications of the selection of different leads in the algorithms for the QT dispersion index are studied and different lead groups have been evaluated and examined. A computerized ECG database in the Italian Longitudinal Study on Aging project (ILSA, Targeted Project of the National Research Council of Italy on Aging) has been used. Three sets of patients have been selected from clinical information: healthy patients, patients with only cardiac diseases and with only hypertension. The statistical significance of the difference of QTD1 and QTD2 in the three groups and their behaviour with age have been examined.
Starting Page	425
Ending Page	428
File Size	364836
Page Count	4
File Format	PDF
ISBN	0780352009
ISSN	02766547
DOI	10.1109/CIC.1998.731893
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-09-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Indexes Databases Electrocardiography Aging Cardiac disease Hypertension Cardiology Councils Myocardium Cardiovascular diseases
Content Type	Text
Resource Type	Article

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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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