medical imaging - Ian Tierson 4/9/2008 Dr. Karim Medical...

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Ian Tierson 5/11/2009 Dr. Karim Medical Imaging Essay Prior to the advent of non-invasive medical imaging, it was difficult for diagnosticians to get accurate prognosis without causing more harm than good. With the technology we have today, not only can we figure out what is wrong, but we can also pinpoint the location of the problem. We can perform checkups on the physical development of a child before birth. We can even gain the knowledge of the child’s gender. We can find tumors and get such an accurate location of them that we can remove them with minimal invasion during surgery. There are several different types of medical imaging, each with it’s own set of strengths and weaknesses. One type is the sonogram. In this method, sound waves are transmitted into the body, and based on what they hit they bounce off at different rates. This procedure is similar to the echolocation used by some marine mammals. A receiver picks up the sound and then it is deciphered by a computer and translated into an image. This image is in
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black and white, and has a minimal level of detail. The sound transmitted ranges
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medical imaging - Ian Tierson 4/9/2008 Dr. Karim Medical...

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