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19.6 Radiology
Terms for Radiology
| Term | Definition |
|---|---|
| barium | a soft, silvery-white metallic element used in x-raying the digestive system and in making fireworks and white pigments |
| DEXA scan | a type of bone density test (dual-energy x-ray absorptiometry) using two (dual) x-ray beams with different energy levels to create a two-dimensional image |
| Doppler ultrasonography | ultrasonography applying the Doppler effect, in which frequency-shifted ultrasound reflections produced by moving targets in the bloodstream, usually red blood cells, are used to determine the direction and velocity of blood flow. |
| duplex | a molecule having two complementary polynucleotide strands of DNA or of DNA and RNA |
| enema | the introduction of liquid into the rectum to evacuate the bowels, medicate, or nourish |
| gadolinium | a metallic element that responds to a magnetic field and can be injected intravenously during magnetic resonance angiography |
| gallium | a soft, silvery metal used as an IV drug to detect inflammation, infection, and benign and cancerous tumors |
| indium | a soft, silvery metal used as an IV drug to look for cancerous tumors |
| iodine | a purple-black, shiny crystalline trace element in soil used as an IV drug to image the thyroid gland |
| krypton | a colorless, odorless gas used to image the lung when inhaled, also used in lasers for surgery |
| OncoScint | a nuclear medicine procedure used to detect areas of increased activity that are metastases from a cancerous tumor’s primary site in the colon or ovary |
| positron | a positively charged particle that has the same mass as an electron, but the opposite charge |
| ProstaScint | a nuclear medicine procedure used to detect areas of increased activity for metastases from prostate cancer |
| radiopaque | being opaque to radiation and especially X-rays |
| SPECT | a scan of the heart with a moving gamma camera which creates images as “slices” |
| technetium | a silvery gray metal used as an IV drug in nuclear imaging and to image various areas of the body |
| thallium | a gray metallic metal used as an IV drug to image the heart |
| xenon | a colorless, odorless gas used to image the lungs when inhaled |
| x-ray | a form of invisible ionizing radiation |
Created by:
vikingmedterm
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