| Naslov: | Unravelling the potential of phase portrait in the auscultation of mitral valve dysfunction |
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| Avtorji: | Mohanachandran Nair Sindhu, Swapna (Avtor)
S, SREEJYOTHI (Avtor)
A, RENJINI (Avtor)
VIMAL, RAJ (Avtor)
SANKARANARAYANA IYER, SANKARARAMAN (Avtor) |
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| Datoteke: | Gradivo nima datotek. 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 (r6) |
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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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| Leto izida: | 2021 |
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| Št. strani: | 15 |
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| Številčenje: | 136, 2 |
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| COBISS_ID: | 112992771 |
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| URN: | URN:SI:UNG:REP:SKDJRX4E |
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| DOI: | 10.1140/epjp/s13360-021-01185-6 |
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| Licenca: | 
To delo je dosegljivo pod licenco Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna |
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| Število ogledov: | 499 |
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| Število prenosov: | 0 |
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| Metapodatki: |     |
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| Področja: | Gradivo ni uvrščeno v področja. |
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| | | | Skupna ocena: | (0 glasov) |
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| Vaša ocena: | Ocenjevanje je dovoljeno samo prijavljenim uporabnikom. |
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