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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Druckformat: 2152-5102
ISSN Online: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v28.i6.20
25 pages

Human Respiratory Sounds: Objectivization of the Auscultatory Signs

I. V. Vovk
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Kyiv, Ukraine
Victor T. Grinchenko
Institute of Hydromechanics, National Academy of Science of Ukraine, Kyiv, Ukraine
S. L. Dakhnov
Central Military Clinical Hospital of the Ministry of Defense of Ukraine, Kyiv, Ukraine
V. V. Krizhanovskiy
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Kyiv
Valery Oliynik
Institute of Hydromechanics of National Academy of Sciences of Ukraine


The twenty-year retrospective of the techniques used for objectivization of auscultatory signs of breath sounds is presented. Modern views on the nature of breath sounds are enunciated. Bibliographic data about plausible reasons causing the basic and the complementary respiratory sounds are systematized. On basis of the spectral-time technique of analysis and visualization of complex sound signals a high potential of objectivization is demonstrated for a number of auscultatory signs. An attempt to classify different types of wheezes according to specifics of their spectral components is made.

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