Ultrasonography,Doppler

《英文msh詞典》Ultrasonography,Doppler
[主題詞] Ultrasonography,Doppler
[同義詞] Doppler Ultrasonography
[中文釋義] 超聲檢查,多普勒
[英文釋義] Ultrasonography applying the Doppler effect,with frequency-shifted ultrasound reflections produced by moving targets (usually red blood cells) in the bloodstream along the ultrasound axis in direct proportion to the velocity of movement of the targets,to determine both direction and velocity of blood flow. (Stedman,25th ed)