A member asked:

My daughter had a renal ultrasound done yesterday and it did not show any blue during the blood flow. what does that mean?

A doctor has provided 1 answer
Dr. John Fung answered

Specializes in General Surgery

Not sure: Renal ultrasound is a non-invasive test that determines the size and shape of the kidneys, blood flow, presence of blockages or kidney stones, cysts or tumors. Often the technician will also look at the bladder. I am not sure what you mean by "blue".

Answered 4/1/2015

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