Echocardiographic Findings in Discrete Subvalvular Aortic Stenosis

@article{Popp1974EchocardiographicFI,
  title={Echocardiographic Findings in Discrete Subvalvular Aortic Stenosis},
  author={Richard Popp and James F. Silverman and James W. French and Edward B. Stinson and Donald Carey Harrison},
  journal={Circulation},
  year={1974},
  volume={49},
  pages={226–231}
}
Echographic features of three patients with discrete subvalvular aortic stenosis are presented. These include a narrowed area of the left ventricular outflow tract just below the aortic valve cusps in all cases. A high-intensity but thin echo was seen in the high left ventricular outflow tract at the level of the mitral annulus in one patient with a subaortic diaphragm. In one of the three patients abnormality of aortic cusp motion was suggested as well. 
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Supravalvular aortic stenosis. Echocardiographic features.
TLDR
The echocardiographic manifestations of segmental supravalvular aortic stenosis are described in 2 patients and postoperative echogram demonstrated the narrowing to be reduced.
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The diagnosis was established by the discovery of severe asymmetric septal hypertrophy, a membrane in the left ventricular outflow tract, narrowing of the left vents, as well as high frequency fluttering and premature systolic closure of the aortic valve leaflets.
Significance of abnormal echoes in left ventricular outflow tract.
We have observed abnormal echoes in the left ventricular outflow tract in 4 patients: 3 of the subjects had bacterial endocarditis and the fourth patient had myxomatous degeneration of the aortic…
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TLDR
Echocardiography appears to be a valuable, noninvasive method for detecting supravalvular aortic stenosis and the findings in a series of patients are presented.
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  • Medicine, Biology
  • 2005
TLDR
The echocardiogram demonstrated unusual, dis organized echo patterns in the outflow tract of the left ventricle near the anterior leaflet of the mitral valve in diastole, and these were shown to be continuous with similar disorganized echo patterns demonstrated in the aortic root in diastsole.
Echocardiography manifestations of flail aortic valve leaflets in bacterial endocarditis.
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  • Medicine, Biology
    Circulation
  • 1975
TLDR
The endocardiogram demonstrated unusual, disorganized echo patterns in the outflow tract of the left ventricle near the anterior leaflet of the mitral valve in diastole, and the echocardiographic features seen in a case of bacterial endocarditis were no longer present after aortic valve replacement.
Parachute accessory anterior mitral valve leaflet causing left ventricular outflow tract obstruction. Report of a case with emphasis on the echocardiographic findings.
TLDR
A case of left ventricular outflow tract obstruction caused by a parachute accessory anterior mitral valve leaflet is presented and an identical case was not found in the English literature.
Abnormal echoes in the left ventricular outflow tract caused by ruptured chordae tendineae of the mitral valve.
TLDR
Echocardiographic examination demonstrated the presence during diastole of abnormal echoes in the left ventricular outflow tract caused by swollen and confluent chordae tendineae disrupted from the anterolateral papillary muscle, performing a pendular systolic-diastolic movement between left atrium and left vents.
Long-segment (tunnel) subaortic stenosis.
At the age of eight years, the patient underwent cardiac catheterization to evaluate his limited exercise capacity and because of the progression of the left ventricular hyper- trophy on his…
Anomalous papillary muscle insertion contributing to obstruction in discrete subaortic stenosis.
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Echocardiographic findings in discrete subaortic stenosis
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