A 26-year-old female asked:
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had brain mri today with contrast. how soon would i know if i had renal failure or delayed reaction? what would i look for?

2 doctor answers
Dr. John Barbuto
Specializes in Neurology
Improbable: Both renal failure and delayed reaction to MRI are rare. I have ordered perhaps 10,000 MRI's and never seen either. Is there a reason you have these fears? Effects of contrast dye show up within hours although rare renal failure might show on tests in a few days. Talk to your doctor. You can have renal tests if that seems really necessary.
Answered on Dec 31, 2016
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Dr. Christopher Marquart
39 years experience Neurosurgery
Contrast reaction: If you have normal renal function before the MRI with contrast your risk is very small. Patients with severe renal dysfunction can develop renal failure, skin thickening in a few days up to six months after the contrast administration.
Answered on Apr 24, 2015
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2 thanks

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