Non-invasive measurement of blood velocity in the major thoracic vessels.
D001013:Aorta, Thoracic / Q000502:physiology*; D001024:Aortic Valve Stenosis / Q000175:diagnosis; D001783:Blood Flow Velocity; D001794:Blood Pressure; D002302:Cardiac Output; D006331:Heart Diseases / Q000175:diagnosis; D006801:Humans; D008991:Monitoring, Physiologic; D012770:Shock, Cardiogenic; D013997:Time Factors; D014159:Transducers; D014463:Ultrasonography