Magnetic Resonance Imaging MRI is done for numerous reasons. Doctors can find tumors, internal bleeding, infections and damaged blood vessels through these detailed scans. In the brain, MRI scans can find tumors, bleeding, nerve damage, vision impairment, hearing damage and aneurysms. An MRI of the chest reveals the condition of the heart, valves, arteries, lungs and blood vessels. Torn ligaments or tendons, infections, broken bones, inflamed joints and damaged cartilage show up on an MRI scan too. Soft tissue organs like the liver, gallbladder, pancreas, kidneys, bladder, uterus, ovaries, prostate and breasts are best viewed by this breakthrough machine. Often MRI scans are done with radiology CT scans, an x-rays or radiology ultrasounds to provide another view.
To prepare themselves for the MRI scan, patients will let their medical practitioner know if they are allergic to any medications, are pregnant, have a pacemaker or metal implants, have had an accident that may have left metal shards in their bodies, have had recent blood vessel surgery, have an intrauterine device, suffer from claustrophobia, wear medication patches or suffer from conditions like sickle cell anemia that may react poorly to the contrast material. Often patients will bring someone to drive them home after the test because sedatives are sometimes administered.
Even though medical imaging using a Magnetic Resonance Imaging MRI scanner has been in existence for over 30 years, we can anticipate a number of advances in this technology. Researchers are looking at ways to create smaller scanners that can be placed over a knee, a foot or a shoulder blade to get a quick glimpse within seconds. They’re also looking at ways of improving the MRI of the arteries and veins. Functional MRI (scans while people are completing tasks) is helping researchers understand the inner-workings of the brain like never before.
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