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

ISSN Print: 2152-5102
ISSN Online: 2152-5110

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v28.i6.30
15 pages

Changes of Acoustical Characteristics of Breath Sounds of Pneumonic Patients while Recovering

I. V. Vovk
Institute of Hydromechanics of National Academy of Sciences 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

ABSTRACT

Changes of acoustical characteristics of breath sounds of pneumonic patients while recovering are investigated with an adaptive and a spectral-time techniques. A high performance of both mentioned techniques is shown when obtaining the information about course of a disease and localization of its focus. It is found that the adaptive technique allows to estimate the general state of a patient's respiratory tract, and the spectral-time technique gives the possibility to estimate the dynamics of fine details reflected by specific features of the respiratory sounds.


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