Aortic valve stenosis

**Definition:** Aortic valve stenosis is abnormal narrowing of the aortic valve. This decreases the blood flow from heart to organs.

**Exclusions:** - Aortic bioprosthetic valve stenosis - Aortic prosthetic valve stenosis - Syphilitic aortic stenosis - Congenital supravalvar aortic stenosis - Congenital subaortic stenosis