NDLI: Impedance cardiac profile monitoring by a modified ensemble averaging technique

Content Provider	IEEE Xplore Digital Library
Author	Wang, X. Adamson, D. Sun, H.H. Van de Water, J.M.
Copyright Year	1992
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Drexel Univ., Philadelphia, PA, USA (Wang, X.; Adamson, D.; Sun, H.H.; Van de Water, J.M.)
Abstract	A real-time algorithm is developed to modify the ensemble averaging so that it averages nonperiodic signals, such as ECG (electrocardiogram), dz/dt, Delta z, etc., for impedance cardiac profile monitoring. A real-time algorithm is developed top detect R spikes adaptively from ECG signals. A signal preprocessor is developed to process signals digitally before any further work is done. This method reduces muscle noise, 60-Hz interference, and respiration effect. 144 sets of data from five healthy volunteers, four critically ill patients and three healthy exercising volunteers have been tested. Correlation studies between the authors' system and standard hand calculation of stroke volume, based on Kubiceks equations, show relatively high and stable correlation coefficients; r=0.93, p<0.005 (healthy); r=0.94, p<0.002 (ill); r=0.95, p<0.002 (exercise). Apnea is not necessary during any of the studies.<>
Starting Page	39
Ending Page	40
File Size	244129
Page Count	2
File Format	PDF
ISBN	0780307852
DOI	10.1109/IEMBS.1988.94394
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-11-04
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance Electrocardiography Signal processing Patient monitoring Adaptive signal detection Muscles Noise reduction Interference Testing Equations
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
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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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