A method for studying the effects of PR and RR intervals on heart sound power spectra

Author

Durand, L.-G. ; Langlois, Y.E. ; Cloutier, G. ; Chiarella, R. ; Lanthier, T. ; Bertrand-Bradley, S.

Author_Institution

Biomed. Eng. Lab., Clinical Res. Inst. of Montreal, Que., Canada

fYear

1988

fDate

4-7 Nov. 1988

Firstpage

234

Abstract

In the course of exploring the potential of spectral analysis of valve closing sounds for the detection of valvular degeneration, a method was developed for determining, in a dog, the influence of PR interval (PRI) and heart rate (HR) on the spectra of intracardiac and thoracic first and second heart sounds. Preliminary results emphasize the strong dependence of the first heart sound spectra on the PRI and cardiac rhythm. On the contrary, the aortic valve closing sound seems to be relatively independent of these timing parameters. It is believed that the information obtained by applying this method to a larger group of animals will help in defining the relationship between the spectral changes of the valve sound spectra and hemodynamic parameters such as the PRI and HR.<>

Keywords

bioacoustics; cardiology; patient diagnosis; dog; heart rate; heart sound power spectra; hemodynamic parameters; timing parameters; valve closing sounds; valvular degeneration detection;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology Society, 1988. Proceedings of the Annual International Conference of the IEEE

Conference_Location

New Orleans, LA, USA

Print_ISBN

0-7803-0785-2

Type

conf

DOI

10.1109/IEMBS.1988.94494

Filename

94494