Frequency spectrum of the aortic component of the second heart sound in patients with normal valves, aortic stenosis and aortic porcine xenografts. Potential for detection of porcine xenograft degeneration

The American Journal of Cardiology

Volumn 46, Issue 1, 1980, Pages 48-52

  Stein, Paul D ^a   Sabbah, Hani N ^a   Lakier, Jeffrey B ^a   Goldstein, Sidney ^a  

^a Division of Cardiovascular Medicine   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AORTA VALVE; AORTA VALVE PROSTHESIS; AORTA VALVE STENOSIS; DIAGNOSIS; HEART; MAJOR CLINICAL STUDY; SECOND HEART SOUND; XENOGRAFT;

ADULT; AGED; AORTIC VALVE; AORTIC VALVE STENOSIS; BIOPROSTHESIS; FEMALE; HEART AUSCULTATION; HEART SOUNDS; HEART VALVE PROSTHESIS; HUMAN; MALE; MIDDLE AGE; PULMONARY EMPHYSEMA; SUPPORT, U.S. GOV'T, P.H.S.; TIME FACTORS;

EID: 0018852823     PISSN: 00029149     EISSN: None     Source Type: Journal    
DOI: 10.1016/0002-9149(80)90604-9     Document Type: Article

References (24)

1. The characteristics of normal heart sounds recorded by direct methods
2. Frequency distribution of the heart sounds in normal man
3. The characteristics of normal heart sounds recorded by direct methods
4. Investigation of the theory and mechanism of the origin of the second heart sound
5. One-dimensional model of diastolic semilunar valve vibrations productive of heart sounds
6. Determinants of the amplitude of the aortic component of the second heart sound in aortic stenosis
7. Intensity of heart sounds in the evaluation of patients following myocardial infarction
8. Hemodynamic and anatomic determinants of relative differences in amplitude of the aortic and pulmonary components of the second heart sound
9. Exploration of the cause of the low intensity aortic component of the second sound in nonhypotensive patients with poor ventricular performance
10. Accentuation of heart sounds in anemia: an effect of blood viscosity
11. Relation of the second sound to diastolic vibration of the closed aortic valve
12. Spectral energy of the first heart sound in acute myocardial ischemia. A correlation with electrocardiographic, hemodynamic and wall motion abnormalities
13. Use of the fast Fourier transform for frequency analysis of the first heart sound in normal man
14. The clinical value of frequency analysis of the first heart sound in myocardial infarction
15. Frequency spectra of some normal heart sounds
16. M mode and two dimensional echocardiographic features of porcine valve dysfunction
17. Long term follow-up of porcine xenograft valve (abstr)
18. Structural changes in porcine xenografts used as substitute cardiac valves. Gross and histologic observations in 51 glutaraldehyde-preserved Hancock valves in 41 patients