Title :
Heart period dynamics following an asphyxia experiment in rats
Author :
Moraru, L. ; Cimponeriu, L. ; Bezerianos, A.
Author_Institution :
Dept. of Med. Phys., Univ. of Patras, Greece
Abstract :
The present work proposes an optimal symbol dynamics transformation as an approach to analyze dynamic aspects of heart rate variability (HRV) in an asphyxia experiment in rats. The approximate entropy (ApEn) was used to quantify the regularity of short symbolic sequences derived from 5 min R-R intervals (RRI). The comparison of several symbol transformations applied in HRV analysis indicates our approach as optimal for characterizing the transitions between different phases in the recovery process following asphyxia in rats.
Keywords :
data analysis; electrocardiography; entropy; medical signal processing; symbol manipulation; ECG; approximate entropy; data analysis; heart period dynamics; heart rate variability; rat asphyxia experiment; symbol dynamics transformation; Asphyxia; Cardiology; Electrocardiography; Entropy; Heart rate; Heart rate variability; Nonlinear dynamical systems; Rail to rail inputs; Rats; Time measurement;
Conference_Titel :
Digital Signal Processing, 2002. DSP 2002. 2002 14th International Conference on
Print_ISBN :
0-7803-7503-3
DOI :
10.1109/ICDSP.2002.1028300
