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Könyv Proposed Diagnostic Electronic Stethoscope Ramiz Girgis Ramzi Gelada

Proposed Diagnostic Electronic Stethoscope

Szerző: Ramiz Girgis Ramzi Gelada
Nyelv: Angol
Kötés: Puha kötésű
Kiadó: LAP Lambert Academic Publishing
Elérhetőség: Beszállítói készleten
Küldés 5-8 napon belül
17 142 Ft
The heart-valve sound and the murmur consist of frequencies between 20 Hz and 600 Hz. The range of f...

Információk a könyvről

Szerző
Ramiz Girgis Ramzi Gelada
Nyelv
Angol
Kötés
Könyv - Puha kötésű
Kiadva
2015
oldal
100
EAN
9783659358289
Enbook ID
09257152
Kiadó
LAP Lambert Academic Publishing
Súly
165
Méretek
150 x 220 x 6

Teljes leírás

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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