Magnetic Resonance Imaging

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A magnetic resonance imaging scan is a technique performed by radiologists that involves using magnetism, radio waves and computers to produce detailed images of the body’s internal structures, including tissues, muscles, arteries, bones and unusual growths. A number of patients credit the MRI scan with the discovery of an existing medical condition they never knew about. For instance, one patient at www.medicinenet.com said she experienced numbness along one side of her body after giving birth to her baby and although the doctor thought it was nothing, a medical imaging test uncovered a very large arterial venous malformation in her brain. Another patient says she discovered her leg pain was not due to an inflamed sciatic nerve, as previously thought, but to several crushed discs in her back. Thanks to this technology, doctors were better able to treat these patients.

Radiologists use the MRI technique in diagnosing and determining treatment for medical problems. Neurosurgeons use an MRI scan to evaluate brain, neck and spinal cord injury following an accident. They can find crushed discs or vertebrae and they can look for internal bleeding, swelling, rips or aneurysms. Cardiologists use the MRI to look at the heart and aorta, not to mention clogging and perforations. Diseases, tumors, unusual growths and damaged soft tissue are all evident with an MRI of the brain and body.

To prepare for a magnetic resonance imaging scan, patients will need to remove all metallic objects prior to the procedure. If an individual suffers from claustrophobia anxiety, a mild sedative will be administered. Sometimes patients bring headphones in with them to induce relaxation because they must remain completely still for the best results. Inside the magnetic machine, the patient will hear a loud whirring sound as the scan takes place, along with repetitive clicking noises as if a camera is snapping pictures. Flashes may occasionally be seen as the 30 minute to ninety minute procedure takes place. Sometimes patients require injections of liquid contrast material to enhance the images.

After the magnetic resonance imaging is completed, the computer stores the visual images of the body parts that were scanned. These images are then transferred to film to keep a hard copy. Radiologists, a class of specially trained physicians, will then interpret the results and draw up a report for the patient’s primary practitioner. Lastly, the results are discussed with the patient and/or the family during a regular doctor visit. From there, a diagnosis will be given and treatment options will be discussed.

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