Patients with metallic implants and materials should let the technologist and radiologist know because they will either take special precautions or cancel the MRI and choose another type of imaging study. All magnetic objects must be removed before the scan can take place. The procedure does not cause pain or any tissue damage. MRIs are extremely safe as long as the correct safety precautions are taken. If ordered with contrast, dye is added with an IV to enhance the resulting images. MRI scans can be done with or without contrast dye. MRI is used to examine the brain, spine, abdomen, breasts, pelvic region, various joints, heart, blood vessels, and more. Generally, magnetic resonance imaging creates images that can show differences between healthy and unhealthy tissue. MRI has become the preferred method for diagnosing a large range of potential issues in many different areas of the body. CT, X-ray, and MRI machines are all imaging equipment used for diagnostic purposes, though which one is used depends on a number of factors. A CT scan is an x-ray machine that’s hooked up to a computer, so it, too, is similar to an MRI. It is similar to an x-ray, however, MRIs use magnetic waves whereas x-rays use radiation. An MRI machine is used to produce images that show the inside of the body. MRI stands for magnetic resonance imaging.
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