| umls-concept:C0003507 | skos:definition | MSH: 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.,CSP: constriction in the opening of the aortic valve or of the supravalvular or subvalvular regions.,NCI: Narrowing of the orifice of the aortic valve or of the supravalvular or subvalvular regions.,NCI: Narrowing of the orifice of the aortic valve or of the supravalvular or subvalvular regions. | lld:umls |
