Why can't I have any metal on my body during an MRI?

MRIs work by using very strong magnets and some metals can interfere with the magnets, making the images blurry. Your radiographer will check to make sure that you don’t have any metal on your body, or inside your body. Glasses, coins and cell phones will also have to be removed.

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What to Expect From an MRI
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.