It is a shelf-like membrane that forms under the aortic valve. It causes obstruction to the flow of blood from the left ventricle into the aorta. This results in blood going through turbulence. A doctor hears this as a heart murmur.
People also ask
What kind of murmur is heard with aortic stenosis?
What does subvalvular mean?
What are the symptoms of subaortic stenosis?
What is the difference between aortic and subaortic stenosis?
In most cases, it involves the presence of a membrane that is typically muscular just below the aortic valve, which causes a fixed obstruction to blood flow ...
Mar 5, 2024 · Subaortic membrane is a rare pathologic entity that usually presents in young adults and typically consists of a thin fibrous membrane in the LV outflow tract.
Dec 6, 2005 · A repeated echocardiogram showed a subaortic membrane with a 48-mm Hg gradient, moderate aortic insufficiency, and thickened aortic valve leaflets.
The differential diagnosis of such a murmur includes aortic stenosis, supravalvular aortic stenosis, SAS, and hypertrophic obstructive cardiomyopathy (HOCM).
It is typically a harsh, high-frequency, crescendo-decrescendo murmur (without a click) at the left midsternal border that radiates to the carotids. An early ...
Jun 16, 2023 · Subaortic stenosis secondary to subaortic membrane is the second most common form of left ventricular outflow tract obstruction.
A subaortic membrane makes it more difficult for the left ventricle to pump blood out to the body, causing the left ventricle, as a muscle, to grow larger in ...
Subaortic stenosis is a narrowing (stenosis) of the area underneath, the aortic valve, that causes some degree of obstruction or blockage of the blood flow ...
Subaortic Stenosis Symptoms. Doctors sometimes hear a heart murmur — a specific “whooshing” sound — because of the uneven blood flow through the narrowed area.
