| A | B |
|---|
| contrast medium | substance that makes a body structure visible |
| radiograph | image produced by x-rays exposing a photographic plate |
| radiopaque | a substance that does not allow x-rays to pass through |
| radiolucent | a substance that allows x-rays to pass through |
| barium | a radiopaque contrast medium for the GI tract |
| posterioranterior | patient faces film, back to x-ray beam |
| anteriorposterior | patient faces x-ray beam; back is to film |
| lateral | patient is sideways to x-ray beam and film |
| oblique | patient is slanted to film and x-ray beam |
| nuclear medicine | use of radiopharmaceutical for diagnostic or treatment purposes |
| nuclear scan | imaging technique using radiopharmaceutical |
| radiopharmaceutical | a substance that emits gamma rays detectable by gamma camera |
| bone scan | nuclear scan to detect bone growth, breakdown, or cancer |
| sonogram | an image created using ultrasound |
| echocardiogram | a sonogram of the heart |
| computed tomography | use of a thin x-ray beam to create cross-sectional images |
| magnetic resonance imaging | use of radio waves and strong magnetic field to create cross sectional images |
| fluoroscopy | process of projecting x-rays onto a luminous screen |
| single photon emission computed tomography | nuclear imaging technique to visualize blood perfusion |
| positron emission tomography | nuclear imaging technique to detect cancer or effects of treatment |
| ultrasonography | use of ultrasound to create an image |
| radiology | specialty of diagnosing and treating diseases using radiant energy |
| radiologist | specialist in diagnosing and treating diseases using radiant energy |
| thyroid scan | use of radioactive iodine to visualize the thyroid gland |
