Color Doppler (PPT, Edelman ch 19/20)

is ‘2-D Doppler’ where velocities are coded into colors and superimposed on a 2-D image.

• Black-and-white identifies ___

• Color identifies __ __ velocities and function

Color Doppler provides information regarding __

reports average or mean velocities

Is a pulsed ultrasound technique and is subject to range resolution and aliasing

• Information on flow direction

• If the color on our image appears on the top half of the color map, blood is moving __ the transducer

• The higher the position on the color bar, the __ the velocity of the blood cells towards the transducer.

• If the color on our image appears on the lower half of the map, blood is moving___ from the transducer