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A member asked:
What do doctors inject you with when doing an mri and mra?
A doctor has provided 1 answer
Gadolinium: The contrast agents used during an MRI all contain gadolinium which is a rare earth element. The gadolinium is chelated so that it is less toxic and can be excreted through the kidneys. It functions to increase contrast between structures and can highlight abnormal structures and masses.
Answered 2/23/2015
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