There are many positives and negatives to the MRI machine. One reason that these machines are used is that they do not us ionizing radiation like other machines. This creates a safe feeling for patients. Another positive is that MRI machines have a very low incidence of side effects. The MRI machine also has the ability to create an image on any plane, which is different from the CAT scan is limited to one plane. One of the biggest positives is all of the different diagnoses it can identify. Some of these are multiple sclerosis, tumors, infections of the brain or spine, torn ligaments in the wrist, knee and ankle, diagnosing tendonitis, shoulder injuries, and diagnosing strokes in their earliest stages. (www.heathcommunities.com) MRI’s do have some drawbacks however. One of the negatives is that there are many people who cannot have MRI exams done because they are too big, they have pacemakers, and also if a person is pregnant they cannot be tested. Another disadvantage is the small confined space rules out any patients who are claustrophobic. Also, the test is very loud and a person has to sit still for a number of minutes in order to get an accurate picture. Some scans can last twenty to ninety minutes. MRI machines are also very expensive to build, which makes them expensive tests to have done on a patient. (www.howstuffworks.com) Lastly, patients who have orthopedic hardware such as screws or metal plates can cause sever distortion of the images produced by a MRI. Even thought there are many disadvantages, the positives far out weight the negatives.

When the MRI was first used, there were only a handful of machines in the U.S., now there are thousands. They were a major advancement in the medical institution. These machines are very beneficial to society because they are able to identify what is wrong with a patient, when other machines are unable to. Unlike the x-ray machine, the MRI is able to look at tissue mass, and the MRI machine shows doctors what they can’t see unless they use surgical procedures. Looking back at the years that doctors were unable to use the MRI, I can only imagine how many patients lives could have been changed if they could have had an MRI performed on them. Today, doctors can detect cancer at an earlier stage than ever before. Wit

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