Improvement of Cammann??s Stethoscope
نویسندگان
چکیده
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 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...
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در سالهای اخیر،اختلالات کیفیت توان مهمترین موضوع می باشد که محققان زیادی را برای پیدا کردن راه حلی برای حل آن علاقه مند ساخته است.امروزه کیفیت توان در سیستم قدرت برای مراکز صنعتی،تجاری وکاربردهای بیمارستانی مسئله مهمی می باشد.مشکل ولتاژمثل شرایط افت ولتاژواضافه جریان ناشی از اتصال کوتاه مدار یا وقوع خطا در سیستم بیشتر مورد توجه می باشد. برای مطالعه افت ولتاژ واضافه جریان،محققان زیادی کار کرده ...
15 صفحه اولComparison of stethoscope bell and diaphragm, and of stethoscope tube length, for clinical blood pressure measurement
OBJECTIVE This study investigated the effect of stethoscope side and tube length on auscultatory blood pressure (BP) measurement. METHODS Thirty-two healthy participants were studied. For each participant, four measurements with different combinations of stethoscope characteristics (bell or diaphragm side, standard or short tube length) were each recorded at two repeat sessions, and eight Kor...
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ژورنال
عنوان ژورنال: The American Journal of the Medical Sciences
سال: 1870
ISSN: 0002-9629
DOI: 10.1097/00000441-187007000-00132