title: Non-surgical assessment of cardiac function.
mesh_terms: D001013:Aorta, Thoracic; D001783:Blood Flow Velocity; D006331:Heart Diseases / Q000175:diagnosis*; D006349:Heart Valve Diseases / Q000175:diagnosis*; D006801:Humans; D008722:Methods; D013057:Spectrum Analysis; D014463:Ultrasonography