NDLI: Automated autonomic nervous system function analysis

Content Provider	IEEE Xplore Digital Library
Author	Ezenwa, B.N. Figoni, S.F. Glaser, R.M. Ponichtera, J.A. Rodgers, M.M. Almeyda, J.W.
Copyright Year	1992
Description	Author affiliation: Lab. of Appl. Physiol., Wright State Univ. Sch. of Med., Dayton, OH, USA (Ezenwa, B.N.)
Abstract	The automated system was used to evaluated autonomic nervous-system function for four conditions: (1) valsalva maneuver; (2) beat-beat variation in heart rate during deep breathing; (3) isometric muscular contraction; and (4) heart-rate response to standing and orthostatic tolerance. Interrupt routines were used to collect electrocardiogram (ECG) data through a computer during the four recording conditions and, in certain cases, special interrupt routines were used to synchronize with minute-to-minute blood pressure measurements. Paper tracings were recorded at the same time for hand calculation. The R-R interval and heart rate were calculated by hand from the ECG tracings and compared to the results of the automated analysis system. No statistically significant (p>0.05) differences were observed between the two methods. Also significant correlations (p<0.05) ranging from 0.98 to 0.99 were found between them. The advantages of the automated system include the elimination of the need for recording papers and observer subjectivity and the higher speed of analysis.<>
Starting Page	1210
Ending Page	1211
File Size	155721
Page Count	2
File Format	PDF
ISBN	0780307852
DOI	10.1109/IEMBS.1988.94878
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	Autonomic nervous system Heart rate Electrocardiography Medical diagnostic imaging Frequency synchronization Blood pressure Pressure measurement Computerized monitoring Laboratories Physiology
Content Type	Text
Resource Type	Article

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