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Antenatal Noninvasive Fetal Electrocardiography: A Literature Review. [PDF]

open access: yesMatern Fetal Med
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High frequency phonocardiography

The American Journal of Cardiology, 1961
Abstract 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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[Phonocardiography].

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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Phonocardiography

The American Journal of Cardiology, 1959
Rudolf Zalter   +2 more
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Oesophageal Phonocardiography

Cardiology, 1957
G, MAGRI   +3 more
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Clinical Phonocardiography

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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Intracardiac phonocardiography

The American Journal of Cardiology, 1964
B L, SEGAL, P, NOVACK, H, KASPARIAN
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