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Computerized Tomography

Computerized tomography (CT or CAT scan) is a commonly employed diagnostic test in both pulmonary medicine and critical care medicine. A CT scan creates cross-sectional "slices" of the body using x-radiation and computer technology to create multiple images of the body, one "slice" at a time, as if one were slicing a loaf a bread. Any area of the body may be passed through the scanner - most commonly a pulmonary and critical care physician is interested in the thorax (chest), abdomen, head and neck regions. These images provide far more detail than simple radiography and are very useful in clarifying abnormalities found on chest radiographs and other simple radiographs.

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