title: Determining aortic stenosis severity: what to do when measuring left ventricular outflow tract diameter is difficult.
authors.forename: Mark A
authors.initials: MA
authors.lastname: Johnson
authors.forename: Robert R
authors.initials: RR
authors.lastname: Moss
authors.forename: Brad
authors.initials: B
authors.lastname: Munt
mesh_terms: D001024:Aortic Valve Stenosis / Q000150:complications* / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D014463:Ultrasonography; D014694:Ventricular Outflow Obstruction / Q000150:complications* / Q000000981:diagnostic imaging*