Aortic Valve Stenosis

**Definition:** A pathological constriction that can occur above (supravalvular stenosis), below (subvalvular stenosis), or at the AORTIC VALVE. It is characterized by restricted outflow from the LEFT VENTRICLE into the AORTA.

**Tree numbers:** - C14.280.484.048.750 - C14.280.955.249

**Synonyms:** - Aortic Stenosis