Transseptal aortography.
D001013:Aorta, Thoracic / Q000000981:diagnostic imaging; D001014:Aortic Aneurysm / Q000000981:diagnostic imaging; D001015:Aortic Arch Syndromes / Q000000981:diagnostic imaging; D001017:Aortic Coarctation / Q000000981:diagnostic imaging; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging; D001027:Aortography; D006328:Cardiac Catheterization; D002318:Cardiovascular Diseases / Q000000981:diagnostic imaging*; D004374:Ductus Arteriosus, Patent / Q000000981:diagnostic imaging; D006801:Humans; D008722:Methods