title: Helical-shaped streamlines do not represent helical flow.
authors.forename: Hugo G
authors.initials: HG
authors.lastname: Bogren
authors.forename: Michael H
authors.initials: MH
authors.lastname: Buonocore
mesh_terms: D000367:Age Factors; D001011:Aorta / Q000503:physiopathology*; D001014:Aortic Aneurysm / Q000503:physiopathology*; D001021:Aortic Valve / Q000503:physiopathology*; D001024:Aortic Valve Stenosis / Q000503:physiopathology*; D001783:Blood Flow Velocity / Q000502:physiology*; D006801:Humans; D021621:Imaging, Three-Dimensional / Q000379:methods*; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008943:Mitral Valve / Q000503:physiopathology*; D009626:Terminology as Topic