منابع مشابه
Heart Sounds and Murmurs
In this little pocket-book of 60 Pa.^?' a_ student will find a good deal of usefu tiou put simply and clearly. The text is illustrated with diagrams, showing the characteristics of the murmurs as to time, length and roughness. The book may easily be used for clinical reference and should prove of value to the beginners in acquiring the elements of cardiac ascultation. Many valuable hints are in...
متن کاملHeart sounds and heart murmurs separation
The Heart sounds and murmurs provide crucial diagnosis information for several heart diseases such as natural or prosthetic valve dysfunction and heart failure. Many pathological conditions of the cardiovascular system cause murmurs and aberrations in heart sounds. Phonocardiography provides the clinician with a complementary tool to record the heart sounds heard during auscultation. The advanc...
متن کاملInnocent murmurs and third heart sounds in Black schoolchildren.
Normal auscultatory findings were studied during a heart survey in which 12 050 Black schoolchildren, aged 2 to 18 years, were examined by cardiologists. Physiological third heart sounds were detected in 96 per cent of children, innocent systolic murmurs in 72 per cent, and innocent mid-diastolic murmurs in 0.27 per cent. The term 'innocent systolic murmur" was used for vibratory systolic murmu...
متن کاملAn Effiecient Modeling Technique for Heart Sounds and Murmurs
Cardiac auscultation is highly subjective and a cognitive process and the amount information that can be obtained by listening heart sounds largely depends on the expertise, experience and acuity of the ear of the physician. In general, the classification and interpretation of heart sounds and murmurs is based on a adjective 0-6/6 grade scale and described by using “faint”, “soft”, “loud”, “ hi...
متن کاملTime-frequency Analysis of Heart Sounds and Murmurs
Heart sounds and murmurs are timevarying signals that would best be analyzed using timefrequency analysis. Windowed Wigner-Ville distribution (WWVD) and smooth windowed Wigner-Vffle distribution (SWWVD) are used to obtain the timefrequency representation of the signal. Determination of parameter setting of WWVD and SWWVD will eliminate the cross-terms and improve time frequency representation. ...
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ژورنال
عنوان ژورنال: Circulation
سال: 1964
ISSN: 0009-7322,1524-4539
DOI: 10.1161/01.cir.30.2.262