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MRI (which stands for Magnetic Resonance Imaging) is the newest way to view the human body since the CT ("CAT") scanner was invented. Unlike CT scans, MRI does not use radiation in the conventional sense of the word. Rather, it combines the use of a large magnet and radio waves. The hydrogen atoms in the patient's body react to the magnetic field, and a computer anayzes the results and makes pictures of the inside of your body.
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The patient is passed into the gantry of MRI to take the images. |
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The MRI scanner consists of a large, donut-shaped magnet with a scanning table. The technologist (the person who takes the pictures) will position you on the table, and then move the table so that the area of interest is in the center of the machine's "tube." |
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