NDLI: Indicator of myocardial ischemia based on the mean power of ECG low frequency content: comparison with ST segment trend

Content Provider	IEEE Xplore Digital Library
Author	Gutierrez, A. Zarco, G.
Copyright Year	2003
Description	Author affiliation: Centro de Investigacion en Computacion, IPN, Mexico City, Mexico (Gutierrez, A.)
Abstract	In order to cause myocardial ischemia, the left anterior descending coronary artery was occluded and released two times in twelve dogs. The occlusion - release times and the ECG were recorded. Spectral content in the range of 1 to 10 Hz was obtained by means of a digital filter. After filtering, the mean power was determined and plotted in normalized trend curves. Averaged beats were calculated, one per epoch per lead, and used to obtain ST level trend plots. The events true-occlusion, late true-occlusion, false-occlusion, true-reperfusion and false-reperfusion were defined according to the arterial status and then counted. It was concluded that the indicator based on ECG low-frequency content can not replace the ST segment trend. However, it should be suitable to improve decision-making when an alternative therapy could be necessary.
Sponsorship	European Soc. of Cardiology Nat. Inst. of Health, USA
Starting Page	653
Ending Page	656
File Size	249095
Page Count	4
File Format	PDF
ISBN	078038170X
ISSN	02766547
DOI	10.1109/CIC.2003.1291240
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-09-21
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Myocardium Ischemic pain Electrocardiography Frequency Arteries Dogs Digital filters Power filters Filtering Decision making
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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