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Magnetic Resonance Imaging (MRI) is a non-invasive medical imaging process used to see the body's internal structure. Some of the most common uses of MRI include diagnosing issues with the brain, organs of the abdomen, pelvic organs, blood vessels, skeleton and heart. It also helps with diagnosing cancer. While this technology is still considered fairly new (in existence since 1977), it is a much more advanced form of X-Ray (in existence for over 100 years) in very basic terms. While an X-Ray looks at the body in two-dimensional form, the MRI works in three-dimensions. MRI uses a strong magnetic field to create the three-dimensional imaging, so it is important the patient not have any metal on them, including jewelry, hearing aids, hair pins, or body piercings or have any metal in their body, such as surgical pins or metal plates. Patients that have pacemakers or cochlear implants should not have an MRI either due to the magnet risk. It is always important to let the technologist know if there is any potential metal in a patient's body to avoid potential problems during the scan.
An MRI is an expensive piece of equipment. Sometimes a mobile MRI is a great way to have access to this equipment while not having the cost of ongoing maintenance. It is also useful to have access to a mobile MRI if a hospital's or imaging center's MRI is not currently functional due to maintenance.
The requirements for fixed scanners are much for detailed than those requirements for a mobile MRI. Even though a mobile MRI is not in a fixed location, however, this type of unit still adheres to the same strict guidelines a fixed MRI unit at a hospital or imaging center must meet, so there should be no cause for concern by the patent if a mobile MRI unit is used for imaging.
Just like a fixed MRI unit, three-dimensional images are created using an extremely strong magnet. The mobile MRI units are lined with lead walls in order to keep the strong magnet's use only within the trailer housing the unit, avoid issues with automobiles in the area or those walking by wearing jewelry or have metal in their body.
