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19.6 Radiology

Terms for Radiology

TermDefinition
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