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Journal of Diagnostic Medical Sonography, Vol. 8, No. 4, 180-186 (1992)
DOI: 10.1177/875647939200800402

Color Doppler Imaging

Imaging Parameters and Image Quality

W. R. Hedrick, PhD

D. L. Hykes, MS

Radiology Departments of Aultman Hospital, Canton, Ohio; St. Joseph Hospital and Health Center, Lorain, Ohio; Northeastern Ohio Universities College of Medicine, Rootstown, Ohio.

Color Doppler instruments provide gray-scale imaging with two-dimensional flow in real time. Velocity information is encoded in color. Color Doppler imaging parameters, including packet size, color gate, color gain, color reject, capture function, velocity map, and velocity tag, are described. Color Doppler image quality is characterized by motion discrimination, temporal resolution, spatial resolution, and uniformity.

Key Words: color Doppler • asynchronous scanner • synchronous scanner • aliasing • color Doppler imaging parameters • color Doppler image quality


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