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High frequency phonocardiography
The American Journal of Cardiology, 1961Abstract A systematic study of the high frequency components of the heart sounds and murmurs was made by means of a new standardized and calibrated phonocardiograph provided with a variable band pass filter. The frequency bands 500–1000 c.p.s. and higher were particularly studied but comparison was also made with the vibrations found in lower bands.
A A, LUISADA, G, DI BARTOLO
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Suvremenna meditsina, 1998
In phonocardiography the second heart sound is important in appraisal of congenital heart disease and pulmonary hypertension because it reflects the duration of right ventricular systoles. The systolic murmur in patients with intracardiac shunt decreases as pulmonary hypertension develops, and may eventually disappear completely as the pulmonary ...
E G, DIMOND, A, BENCHIMOL
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In phonocardiography the second heart sound is important in appraisal of congenital heart disease and pulmonary hypertension because it reflects the duration of right ventricular systoles. The systolic murmur in patients with intracardiac shunt decreases as pulmonary hypertension develops, and may eventually disappear completely as the pulmonary ...
E G, DIMOND, A, BENCHIMOL
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JAMA, 1967
Phonocardiography, the graphic recording of heart sounds and murmurs, has become an indispensable tool in many clinics and teaching centers. For proper understanding of this technique, a few fundamental concepts of sound and its recording first must be reviewed.
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Phonocardiography, the graphic recording of heart sounds and murmurs, has become an indispensable tool in many clinics and teaching centers. For proper understanding of this technique, a few fundamental concepts of sound and its recording first must be reviewed.
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Intracardiac phonocardiography
The American Journal of Cardiology, 1964B L, SEGAL, P, NOVACK, H, KASPARIAN
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The American Journal of Cardiology, 1962
A, GRISHMAN, R, ENTHOVEN, P J, LEVESQUE
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A, GRISHMAN, R, ENTHOVEN, P J, LEVESQUE
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Phonocardiography and pulse tracings
International Journal of Cardiology, 1983The use of phonocardiography and pulse tracings has declined in recent years, no doubt in part due to the impact of newer, more sophisticated cardiac diagnostic methods. These time-honored techniques, however, still have a great deal to offer besides merely confirming auscultatory signs or serving as a teaching tool.
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