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What's an MRI?

MRI

Say: em-are-eye

Are you ready for what MRI stands for? It's magnetic resonance imaging (say: mag-NET-ik REZ-uh-nents IM-uh-jing). That's a mouthful, but MRI machines do a simple and important thing — they take detailed pictures of the inside of the body that help doctors learn exactly what's wrong when someone is having a problem.

Are you having an MRI? It won't hurt, but you do have to hold still!