| Naslov: | Unravelling the potential of phase portrait in the auscultation of mitral valve dysfunction |
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| Avtorji: | ID Swapna, Mohanachandran Nair Sindhu, UNIVERSITY OF KERALA (Avtor)
ID S, SREEJYOTHI, UNIVERSITY OF KERALA (Avtor)
ID A, RENJINI, UNIVERSITY OF KERALA (Avtor)
ID VIMAL, RAJ, UNIVERSITY OF KERALA (Avtor)
ID SANKARANARAYANA IYER, SANKARARAMAN, UNIVERSITY OF KERALA (Avtor) |
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| Datoteke: |
Gradivo nima datotek, ki so prostodostopne za javnost. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u.  |
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Delo ni kategorizirano |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | UNG - Univerza v Novi Gorici
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| Opis: | The manuscript elucidates the potential of phase portrait, fast Fourier transform, wavelet, and time-series analyses of the heart murmur (HM) of normal (healthy) and mitral regurgitation (MR) in the diagnosis of valve-related cardiovascular diseases. The temporal evolution study of phase portrait and the entropy analyses of HM unveil the valve dysfunctioninduced haemodynamics. A tenfold increase in sample entropy in MR from that of normal indicates the valve dysfunction. The occurrence of a large number of frequency components between lub and dub in MR, compared to the normal, is substantiated through the spectral analyses. The machine learning techniques, K-nearest neighbour, support vector machine, and principal component analyses give 100% predictive accuracy. Thus, the study suggests a surrogate method of auscultation of HM that can be employed cost-effectively in rural health centres. |
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| Ključne besede: | phase portrait, auscultation, mitral valve dysfunction, heart murmur, nonlinear time series analysis |
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| Verzija publikacije: | Objavljena publikacija |
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| Leto izida: | 2021 |
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| Št. strani: | 15 |
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| Številčenje: | 2, 136 |
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| PID: | 20.500.12556/RUNG-7395 |
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| COBISS.SI-ID: | 112992771 |
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| DOI: | 10.1140/epjp/s13360-021-01185-6 |
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| NUK URN: | URN:SI:UNG:REP:SKDJRX4E |
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| Datum objave v RUNG: | 28.06.2022 |
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| Število ogledov: | 2182 |
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| Število prenosov: | 0 |
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| Metapodatki: |    |
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