منابع مشابه
Stethoscope Acoustics
IT is an anachronism that the stethoscope, introduced in 1819, remains an indispensable medical tool today although no standards have ever been set for its acoustical performance.' Neither has a standard test been established for evaluating the acoustics of the intact instrument. Furthermore, there is no information on the intimate acoustical interaction of the stethoscope with the doctors' ear...
متن کاملStethoscope acoustics. II. Transmission and filtration patterns.
T HERE are no reliable acoustical data to aid physicians in their selection or use of a stethoscope. Yet, the sole medical utility of any stethoscope is derived from its acoustical performance. It is the purpose of this paper to provide clinicians with objective acoustical performance data on intact and current stethoscopes. Frederick and Dodge' first recognized that the stethoscope was deservi...
متن کاملEmbedded Stethoscope
A stethoscope is an instrument used for auscultations to convey heart sounds as well sounds in the other parts of the body. However, traditional stethoscopes are restricted only to audio representation of such sounds and the diagnosis depends on the expertise of the doctor. This project is an attempt to develop an Embedded Stethoscope to capture heart sounds which offers better noise cancellati...
متن کاملThe electronic stethoscope
Most heart diseases are associated with and reflected by the sounds that the heart produces. Heart auscultation, defined as listening to the heart sound, has been a very important method for the early diagnosis of cardiac dysfunction. Traditional auscultation requires substantial clinical experience and good listening skills. The emergence of the electronic stethoscope has paved the way for a n...
متن کاملDigital stethoscope: technology update
Cardiovascular disease (CVD) is recognized as the leading cause of mortality throughout the world. About one-third of global mortality is attributable to CVD. In addition to clinical presentation, specific clinical exam findings can assist in treating and preventing CVD. CVD may initially manifest as pulmonary pathology, and thus, accurate cardiopulmonary auscultation is paramount to establishi...
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ژورنال
عنوان ژورنال: Circulation
سال: 1966
ISSN: 0009-7322,1524-4539
DOI: 10.1161/01.cir.34.5.889