Graphic representations and frequency parameters of heart sound signals
Автор: Božo Tomas, Darko Zelenika, Željko Rončević
Журнал: International Journal of Image, Graphics and Signal Processing @ijigsp
Статья в выпуске: 7 vol.10, 2018 года.
Бесплатный доступ
Sounds produced by acoustic activity of the heart are series (sequences) of quasi-periodic events which are repeated throughout life, one period (cycle) of these events lasts less than one second. The advancements in technology have enabled us to create various tools for audio and graphic representations of these events. Physicians, by using such tools, can more accurately determine diagnosis by interpretation of heart sound and/or by visual interpretation of graphic displays of heart sounds. This paper presents frequency parameters and graphic illustrations of heart sound signals for two groups of heart murmurs: innocent Still’s murmur and pathologic heart murmur of Ventricular Septal Defect (VSD). Also, on behalf of the frequency analysis of acoustic cardiac signals with Still’s murmur was given a medical explanation of cause and origin of Still’s murmur.
Heart Sound Frequency Parameters, Heart Sound Graphic Representation, Haert Sound Spectrogram, Phonocardiogram (PCG), Still’s Murmur, Ventricular Septal Defect (VSD)
Короткий адрес: https://sciup.org/15015978
IDR: 15015978 | DOI: 10.5815/ijigsp.2018.07.04
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