A normal aortic valve (left) versus a defective aortic valve (right) and their different sound signals (purple). The sound data was used to generate graphs at the bottom corners, which differ ...

If successful, the valve would be major advancement in treating aortic stenosis, which is diagnosed in about 100,000 people annually in the United States.

A normal aortic valve is made up of three sections, called leaflets. But sometimes people are born with a valve that has only two leaflets, known as a bicuspid aortic valve.

The normal aortic valve opening is about 3.0 to 4.0 square cm in adults. When the valve opening slowly narrows over time, the heart adapts or accommodates.

NEW ORLEANS — Transcatheter aortic valve replacement in failing transcatheter valves may not be feasible in approximately 20% of patients, and the feasibility appears to depend on aortic root ...

Aortic valve stenosis is a blockage in one of the valves that help control the flow of blood to and from your heart. This stenosis, or narrowing, of the valve can keep it from opening or closing ...

AuthorsSimonRodbard, M.D., Ph.D., and Albert J.Libanoff, M.D. Author Info & Affiliations Published October 7, 1965 N Engl J Med 1965;273: 780 - 784 DOI: 10.1056/NEJM196510072731502 VOL. 273NO. 15 ...

A normal aortic valve (left) versus a defective aortic valve (right) and their different sound signals (purple), pictured in an undated photo illustration. The sound data was used to generate ...

The normal aortic jet velocity is less than 2.5 m/sec. Symptoms usually do not occur in patients until the aortic jet velocity is greater than 4.0 m/sec and the valve area is less than 1.0 cm 2.