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Kniha Proposed Diagnostic Electronic Stethoscope Ramiz Girgis Ramzi Gelada

Proposed Diagnostic Electronic Stethoscope

Autor: Ramiz Girgis Ramzi Gelada
Jazyk: Angličtina
Vazba: Brožovaná
Vydavatel: LAP Lambert Academic Publishing
Dostupnost: Skladem u dodavatele
Odesíláme za 5-8 dnů
1 082 Kč
The heart-valve sound and the murmur consist of frequencies between 20 Hz and 600 Hz. The range of f...

Informace o knize

Autor
Ramiz Girgis Ramzi Gelada
Jazyk
Angličtina
Vazba
Kniha - Brožovaná
Vydáno
2015
Stránek
100
EAN
9783659358289
Enbook ID
09257152
Vydavatel
LAP Lambert Academic Publishing
Hmotnost
165
Rozměry
150 x 220 x 6

Kompletní popis

The heart-valve sound and the murmur consist of frequencies between 20 Hz and 600 Hz. The range of frequencies that can be heard by persons with normal hearing is from 20 Hz to 20 KHz. The use of personal music devices and earbuds can lead to various levels of industrial deafness, limiting the range of audible frequencies. Differences in hearing and experience among physicians leads to a more subjective diagnosis rather than objective diagnosis. This has led to increased use of high tech and expensive instruments, and reduction in the use of the auscultation. The aim of this project is to extract each of the heart-valve sound and the murmur sound such that the user can amplify them separately while performing auscultating, so as to assist heart auscultation. The overall design showed that it is possible to amplify heart and murmur sound disproportionately and separately.

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