Aortic Stenosis, Supravalvular |
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| Aortic Supravalvular Stenosis; Aortic Supravalvular Stenoses; Stenoses, Aortic Supravalvular; Stenosis, Aortic Supravalvular; Stenosis, Supravalvular Aortic; Supravalvular Stenoses, Aortic; Supravalvular Stenosis, Aortic | |
| A narrowing of the aorta in the region above the aortic valve. | |