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Magnetic resonance imaging, or MRI, uses magnets that can heat up or affect the functioning of implanted devices, such as artificial limbs, according to the U.S. Food and Drug Administration. Another safety concern is th... More »

Both CT and MRI scans are types of imaging studies that produce cross-sectional images of the inside of the body for diagnostic purposes, explains the American Academy of Orthopaedic Surgeons. A CT scan produces the imag... More »

Prior to an MRI, the patient removes all metal jewelry or objects and changes into a hospital gown, states WebMD. She lays on a lightly padded table that slides into the MRI scanner that looks like a large tube. During t... More »

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A magnetic resonance imaging, or MRI, scan produces clear images of the shoulder by using strong magnets, radio frequency pulses and a computer, explains RadiologyInfo. During the test, a patient lies still on a movable ... More »

The primary difference between traditional MRI, or magnetic resonance imaging scanners, and open MRI systems is open MRI devices have an open bed for the patient to lay in during the scan rather than the closed tube of a... More »

When a bulging disc appears on a magnetic resonance imaging test, or MRI, the disc protrudes from its accustomed place between vertebrae, according to the Laser Spine Institute. It resembles a hamburger that sticks out b... More »

The operating costs of amagnetic resonance imaging, or MRI, machine can exceed $100,000 per year, according to The Fiscal Times. MRI machines generate significant heat, requiring a sophisticated cooling system to avoid o... More »