MT Chapter 2 Diagnostic Imaging

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Author:
kellim5
ID:
99687
Filename:
MT Chapter 2 Diagnostic Imaging
Updated:
2011-09-08 08:48:43
Tags:
ionizing nonionizing imaging
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Description:
Diagnostic Imaging Modalities
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  1. Radiography (Ionizing Imaging)
    an imaging modality that uses x-rays (ionizing radiation) to produce an image which is created when a small amount of radiation is passed through the body to expose a sensitive film (Ionizing)
  2. Computed tomography (CT) or computed axial tomography (CAT)
    (Ionizing Imaging)
    a radiologic procedure that uses a scanner to examine a body site by taking a series of cross-sectional x-ray films in a full-circle rotation (Ionizing)
  3. nuclear medicine imaging or radionuclide organ imaging (Ionizing)
    uses an injected or ingested radioactive isotope (also called a radionuclide) or a chemical that has been tagged w/radioactive compounds that emit gamma rays. (Ionizing)
  4. magnetic resonance imaging (MRI)
    (Nonionizing)
    nonionizing imaging technique using magnetic fields and radiofrequency waves to visualize anatomic structures within the body. A large magnet surrounds the patient as a scanner subjects the body to a radio signal that temporarily alters the alignment of the hydrogen atom's in the patient's tissue (Nonionizing)
  5. Sonography or diagnostic ultrasound (Nonionizing)
    uses high-frequency sound waves (ultrasound) to visualize body tissues (Nonionizing)

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