Title :
Discrete wavelet transform applied to heart rate variability analysis in iron-deficient anemic infants
Author :
Médigue, Claire ; Bestel, Julie ; Renard, Sophie ; Garrido, Marcelo ; Pizarro, Felipe ; Peirano, Patricio
Author_Institution :
Inst. Nat. de Recherche en Inf. et Autom., Le Chesnay, France
fDate :
30 Oct-2 Nov 1997
Abstract :
To assess the autonomic nervous system development in iron-deficient anemic infants during sleep, we applied the discrete wavelet transform to perform heart rate variability analysis. The method provides suitable frequency resolution in the low-frequency domain, which is the domain of physiological interest. Significant differences between iron-deficient and control infants are shown in both quiet and active (REM) sleep, suggesting an autonomic dysfunction or delay in anemic infants
Keywords :
blood; data flow computing; data recording; discrete wavelet transforms; electrocardiography; frequency-domain analysis; medical signal processing; neurophysiology; paediatrics; sleep; Fe-deficient anaemic infants; REM sleep; active sleep; autonomic delay; autonomic dysfunction; autonomic nervous system development; discrete wavelet transform; frequency resolution; heart rate variability analysis; low-frequency domain; physiology; polygraphic recordings; quiet sleep; Bandwidth; Continuous wavelet transforms; Discrete wavelet transforms; Filters; Fourier transforms; Frequency; Heart rate variability; Signal analysis; Spectrogram; Wavelet analysis;
Conference_Titel :
Engineering in Medicine and Biology Society, 1997. Proceedings of the 19th Annual International Conference of the IEEE
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-4262-3
DOI :
10.1109/IEMBS.1997.757024
