Cardiothoracic Imaging
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Ionizing radiation



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Ionizing radiation is a portion of the high energy electromagnetic radiation spectrum which can penetrate and be transmitted through tissues (unlike light, which is mostly absorbed at the skin surface, failing to adequately penetrate thick body parts such as the skull). One of the chief modes by which Ionizing radiation interacts with tissues is by knocking out atomic shell electrons losing energy in the process. The resulting differential absorption can be detected by a film cassette at the opposite side of the body from the radiation entrance.

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December 18, 2004 (PL)
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