title: High Flow Velocity and Low Systolic Pressure: Compliance of the Aortic Wall or Venturi Effect Within.
authors.forename: Michael F
authors.initials: MF
authors.lastname: O'Rourke
authors.forename: Wilmer W
authors.initials: WW
authors.lastname: Nichols
mesh_terms: D001021:Aortic Valve / Q000473:pathology*; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging* / Q000601:surgery*; D001783:Blood Flow Velocity / Q000502:physiology*; D002114:Calcinosis / Q000000981:diagnostic imaging* / Q000601:surgery*; D005260:Female; D019918:Heart Valve Prosthesis Implantation / Q000639:trends*; D006801:Humans; D008297:Male; D014463:Ultrasonography; D014655:Vascular Resistance / Q000502:physiology*