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A member asked:
What are the red and blue flashes on a renal ultrasound?
4 doctors weighed in across 2 answers
Blood flow: The red and blue flashes are color depictions of fluid movement. This usually indicates blood vessels (artery = red, veins = blue).
Answered 7/1/2012
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Color Doppler: They indicate the direction and velocity of blood flow.
Answered 3/19/2019
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