Time–Frequency Analysis of The Second Heart Sound to Assess Pulmonary Artery Pressure

A method is proposed for noninvasive assessment of the pulmonary artery pressure based on separation of the aortic and pulmonary components of the second heart sound S 2 and determining the delay time between them. The algorithm for separating the aortic and pulmonary components is based on the Wign...

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Bibliographic Details
Published in:	Acoustical physics Vol. 66; no. 5; pp. 542 - 547
Main Authors:	Andreev, V. G., Gramovich, V. V., Krasikova, M. V., Korolkov, A. I., Vyborov, O. N., Danilov, N. M., Martynyuk, T. V., Rodnenkov, O. V., Rudenko, O. V.
Format:	Journal Article
Language:	English
Published:	Moscow Pleiades Publishing 01-09-2020 Springer Nature B.V
Subjects:	Acoustics Acoustics of Living Systems. Biomedical Acoustics Algorithms Aorta Cardiology Catheterization Correlation analysis Delay time Hypertension Physics Physics and Astronomy Pulmonary arteries Research facilities Second heart sound Time lag Time measurement Time-frequency analysis Veins & arteries Wigner–Ville transform PH catheterization of the right heart aortic and pulmonary components second heart sound auscultation
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