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What Is An MRI?

MRI is short for Magnetic Resonance Imaging. (If your doctor has sent you for an MRA [Magnetic Resonance Angiography], this is also a kind of MRI.) MRI is an advanced technology that lets your doctor see internal organs, blood vessels, muscles, joints, tumors, areas of infection, and more — without x-rays, surgery, or pain. MRI is very safe; in fact, it makes use of natural forces and has no known harmful effects. It’s important to know that MRI will not expose you to any radiation.

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MRI’s can provide very early detection of many conditions, so treatment can be more effective. The excellent quality of MRI images can also provide the best possible information if surgery is required. If there is an abnormality, MRI can show exactly where it is, its size, and whether or not it has spread.

The MRI machine creates a magnetic field, sends radio waves through your body, and then measures the response with a computer. This creates an image or picture of the inside of your body that is much clearer than can be obtained with most other methods.

 

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