Simplified estimation of aortic valve area.
D000293:Adolescent; D000328:Adult; D001021:Aortic Valve / Q000473:pathology*; D001022:Aortic Valve Insufficiency / Q000503:physiopathology; D001024:Aortic Valve Stenosis / Q000473:pathology* / Q000503:physiopathology; D001794:Blood Pressure; D006801:Humans; D008433:Mathematics; D008722:Methods; D008875:Middle Aged