Analysis of heart sounds using the wavelet transform

Author

Bentley, P.M. ; McDonnell, J.T.E.

Author_Institution

Dept. of Electr. Eng., Edinburgh Univ., UK

fYear

1994

fDate

1994

Firstpage

1282

Abstract

This paper describes the application of the wavelet transform (WT) to the characterisation of sounds recorded from patients diagnosed as suffering from aortic valvular disease. Due to the multiresolution analysis performed by the WT, it is highly applicable to the analysis of the complex sounds generated over a whole cardiac cycle. Results clearly show that the WT can be used to quantitatively describe sounds produced during the cardiac cycle. The comparison of these quantitative time and frequency characteristics in normal and pathological cases offers definite diagnostic potential

Keywords

cardiology; 15 to 250 Hz; aortic valvular disease; complex sounds; frequency characteristics; heart sounds; multiresolution analysis; normal cases; pathological cases; patient diagnosis; time characteristics; wavelet transform; whole cardiac cycle; Cardiac disease; Cardiovascular diseases; Continuous wavelet transforms; Heart; Performance analysis; Signal analysis; Signal resolution; Time frequency analysis; Wavelet analysis; Wavelet transforms;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology Society, 1994. Engineering Advances: New Opportunities for Biomedical Engineers. Proceedings of the 16th Annual International Conference of the IEEE

Conference_Location

Baltimore, MD

Print_ISBN

0-7803-2050-6

Type

conf

DOI

10.1109/IEMBS.1994.415433

Filename

415433