Aortic Valve Stenosis (Aortic Stenosis)

A pathological constriction that can occur above (supravalvular stenosis), below (subvalvular stenosis), or at the aortic valve. It is characterized by restricted outflow from the LEFT VENTRICLE into the aorta.


Images

Simultaneous left ventricular and aortic pressure tracings demonstrate a pressure gradient between the left ventricle and aorta, suggesting aortic stenosis. The left ventricle generates higher pressures than what is transmitted to the aorta. The pressure gradient, caused by aortic stenosis, is represented by the green shaded area. (AO = ascending aorta; LV = left ventricle; ECG = electrocardiogram.)

Aortic stenosis

Aorta and coronary arteries at autopsy. The proximal portion of the RCA and its ostium can be seen at the lower left.

Aortic stenosis

Illustration depicting aortic stenosis

Aortic stenosis

Density-Dependent Colour Scanning Electron Micrograph SEM (DDC-SEM) of cardiovascular calcification, showing in orange calcium phosphate spherical particles (denser material) and, in green, the extracellular matrix (less dense material)Bertazzo, S. 'et al.' Nano-analytical electron microscopy reveals fundamental insights into human cardiovascular tissue calcification. 'Nature Materials' '12', 576–583 (2013).

Aortic stenosis

Phonocardiograms from normal and abnormal heart sounds

Aortic stenosis

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Aortic stenosis

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Wikipedia

Percutaneous aortic valve replacement - WikipediaWilliams syndrome - WikipediaFetal aortic stenosis - Wikipedia

More information

Reported cases - Summary of cases reported on this diseaseWHO - World Health OrganizationPubMed - A service of the National Library of Medicine and National Institutes of HealthMEDLINE - Literature from the National Library of MedicineMeSH - Medical Subject HeadingsDeCS - Health Sciences Descriptors

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