Discrete Subaortic Stenosis

**Definition:** A type of constriction that is caused by the presence of a fibrous ring (discrete type) below the AORTIC VALVE, anywhere between the aortic valve and the MITRAL VALVE. It is characterized by restricted outflow from the LEFT VENTRICLE into the AORTA.

**Tree numbers:** - C14.280.484.048.750.070.210 - C14.280.955.249.070.210

**Synonyms:** - Subaortic Stenosis, Discrete