| Re: contrast dye for foot mri
usually they do the dye if they think there might be some sort of blockage (or to rule out a blockage) in the blood flow. The contrast shows the veins and such better than withought.. I've had contrast done, but that was for a CT scan of the brain.. it feels REALLY weird when they give you the contrast, but it's not that bad.. they usually don't send you for contrast if it's not needed, but if you aren't sure, then ask the doctor about it.
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