Computed tomography is a medical imaging device that in conjunction with MRI is considered one of the most important medical inventions in the 20th century, also the United States has more CT scanners per person than any other country in the world! This technology 100% relies on computers for their operation. in a sense it is similar to a scanner, except it uses x-rays to take "pictures" of sections of a body part. The images are then input into a computer and placed in the proper order to create an image. It is one of the best and fastest tools for studying the chest, abdomen and pelvis because it provides detailed, cross-sectional views of all types of tissue. The above image shows a CT image of a pulmonary embolism, and as a result of this image the person's life was most likely saved.
http://www.radiologyinfo.org/en/info.cfm?pg=bodyct
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