In situ measurements of two amplified and one acoustic stethoscope
This study investigated the following questions: 1) What is the spectra of human heart sounds when transmitted to the listener's ear through amplified and acoustic stethoscopes? 2) How does the acoustic spectrum of normal heart sounds compare to the threshold of audibility for normal hearing se...
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| Format: | Others |
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PDXScholar
1989
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| Online Access: | https://pdxscholar.library.pdx.edu/open_access_etds/3932 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=4941&context=open_access_etds |