Obstruction of the aorta by prosthetic aortic valve.
D000293:Adolescent; D000328:Adult; D001011:Aorta / Q000473:pathology / Q000601:surgery; D001018:Aortic Diseases / Q000209:etiology*; D001022:Aortic Valve Insufficiency / Q000601:surgery; D001024:Aortic Valve Stenosis / Q000601:surgery; D001807:Blood Vessel Prosthesis; D002648:Child; D006345:Heart Septal Defects, Ventricular / Q000601:surgery; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012213:Rheumatic Fever / Q000601:surgery