Images/Other
T or F/ Fill in the blank/Other
100
What is the cosign when the vessel is viewed at this angle?
zero
100
What colors on the color map appear when aliasing is present?
the colors on the outer edges of the map
200
Color confetti reveals what
color gain is too high
200
True or False: if the direction of flow and sound are perpendicular and a vessel isn’t filling with color, you can’t do anything about it.
False
300
When viewing the spectral Doppler, a waveform is visible but the entire area around it is filled with white specs. What is this called?
Grayscale noise
300
Fill in the blank: Wall filters affect ______ flows.
slow velocity
400
If no color appears in a vessel, what angle is the vessel being viewed at?
90-degree angle
400
Increasing the color Doppler scale affects sensitivity in what way?
decreases it
500
What is present in this image?
Can it be corrected via the machine?
flow reversal, no because it is not caused by machine settings.
500
When the two colors on opposite sides of the color map occur, but they are located in the middle of the map this is known as what?
flow reversal