Bicuspid aortic valve
Bicuspid aortic valve (pronunciation: /baɪˈkʌspɪd ˈɔːr.tɪk ˈvælv/) is a congenital heart defect that affects the aortic valve of the heart. Instead of the normal three leaflets or cusps, the bicuspid aortic valve has only two. Without the third leaflet, the valve may be stiff (a condition called aortic stenosis) or leaky (a condition called aortic regurgitation).
Etymology
The term "bicuspid aortic valve" comes from the Latin words "bis" meaning "twice" and "cuspis" meaning "point or apex". This refers to the valve having two points or cusps instead of the usual three.
Related Terms
- Aortic stenosis: A narrowing of the aortic valve in the heart, which prevents it from opening fully.
- Aortic regurgitation: A condition where the heart's aortic valve doesn't close tightly, causing blood to leak back into the left ventricle.
- Congenital heart defect: A problem with the structure of the heart present at birth.
- Aortic valve: A valve in the human heart between the left ventricle and the aorta.
- Leaflets: The flaps of a heart valve, which open and close to allow blood to flow through.
See Also
External links
- Medical encyclopedia article on Bicuspid aortic valve
- Wikipedia's article - Bicuspid aortic valve
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