title: The seagull sign.
authors.affiliation: Department of Cardiovascular Sciences, University Hospitals of Leicester, Glenfield Hospital, Leicester LE3 9QP, UK. cds18@le.ac.uk
authors.forename: Christopher David
authors.initials: CD
authors.lastname: Steadman
authors.forename: Jeffrey
authors.initials: J
authors.lastname: Khoo
authors.forename: Gerry Patrick
authors.initials: GP
authors.lastname: McCann
mesh_terms: D000368:Aged; D001024:Aortic Valve Stenosis / Q000473:pathology* / Q000503:physiopathology; D001783:Blood Flow Velocity; D002114:Calcinosis / Q000473:pathology* / Q000503:physiopathology; D006337:Heart Murmurs / Q000209:etiology* / Q000473:pathology / Q000503:physiopathology; D006801:Humans; D018810:Magnetic Resonance Angiography; D008297:Male