Feasibility study for a two-dimensional diagnostic ultrasound velocity mapping system.
A receive beam-tracking technique is introduced for simultaneously measuring more than one dimension of an existing velocity vector in medical ultrasound. By using flexible beamforming and a conventional linear-array transducer, vectors can be measured at real-time frame rates over a significant field of view. Both simulations and in vitro experiments show that this technique should provide more accurate measurements of blood flow velocities in the human body than is available with current color flow mapping systems.
Phillips
P J
PJ
Department of Biomedical Engineering, Duke University Durham, NC 27708-0281, USA.
Kadi
A P
AP
Von Ramm
O T
OT
D001783:Blood Flow Velocity; D001808:Blood Vessels / Q000000981:diagnostic imaging / Q000502:physiology*; D005240:Feasibility Studies; D006801:Humans; D008433:Mathematics; D008961:Models, Structural; D018608:Ultrasonography, Doppler / Q000379:methods*