discrete subaortic stenosis https://www.malacards.org/card/discrete_subaortic_stenosis MESH:D021922 UMLS:C0012628 MEDGEN:3867 GARD:0024463 DOID:5804 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. MONDO:0006729 subvalvular aortic stenosis