A bicuspid aortic valve is a heart condition that is usually due to a congenital deformity. A normal aortic valve has three cusps, whereas a bicuspid valve has only two. About 1-2% of the population have bicuspid aortic valves, although the disease is nearly twice as common in males. The majority will cause no problems. However, especially in later life, a bicuspid aortic valve may become calcified, which may lead to varying degrees of severity of aortic stenosis and aortic regurgitation, which will manifest as murmurs. If these become severe enough, they may require surgery. The Mendelian Inheritance in Man project is a database that catalogues all the known diseases with a genetic component, and - when possible - links them to the relevant genes in the human genome. ... The Disease Bold textDatabase is a free website that provides information about the relationships between medical conditions, symptoms, and medications. ... eMedicine is an online clinical medical knowledge base that was founded in 1996. ... The heart and lungs, from an older edition of Grays Anatomy. ... ... The aortic valve is one of the valves of the heart. ... Aortic valve stenosis (AS) is a heart condition caused by the incomplete opening of the aortic valve. ... Aortic insufficiency (AI), also known as aortic regurgitation (AR), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle. ... Murmurs are abnormal heart sounds that are produced as a result of turbulent blood flow, which is sufficient to produce audible noise. ...
Cohn LH, Edmunds LH Jr. Cardiac Surgery in the Adult. McGraw-Hill, 2003.
all this information is right according to a 1st grader
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