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28 Cards in this Set

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Cineradiography
use of motion picture techniques to record a series of x-ray images during fluoroscopy
Computed Tomography (CT)
diagnostic x-ray procedure whereby a cross-sectional and other images of a specific body segment are produced.
Contrast Studies
materials are injected to obtain contrast with surrounding tissue when shown on x-ray film.
Fluorescence
emission of glowing light resulting from exposure to and absorption of radiation from x-rays.
Fluoroscopy
x-rays produce a fluorescent image on an image intensifier
Gamma Camera
machine to detect gamma rays emitted from radio-pharmaceuticals during scanning for diagnostic purposes.
Gamma Rays
high energy rays emitted by radioactive substances.
Half-life
time required for a radioactive substance to lose half its radioactivity by disintegration.
Interventional Radiology
therapeutic procedures performed by a radiologist
Ionization
transformation of electrically neutral substances into electrically charged particles.
In-vitro
process, test, or procedure performed, measured or observed outside a living organism.
In-vivo
process, test or procedure performed, measured or observed in a living organism.
Labeled Compound
radio-pharmaceutical used in nuclear medicine studies.
Magnetic Resonance Imaging
(MRI)
magnetic field and radio waves produce images of the body in 3 planes (coronal, sagittal, axial)
Nuclear Medicine
medical specialty that studies the uses of radioactive substances in a diagnosis of disease.
Positron Emission Tomography
(PET)
radioactive substance is given intravenously and a cross-sectional image is created of cellular metabolism based on local concentration of the radioactive substance.
Radioimmunoassay
test that combines radioactive chemicals and antibodies to detect minute quantities of substances in a patients blood.
Radioisotope
radioactive form of an element, radionuclide.
Radiology
medical specialty concerned with the study of x-rays and their use in the diagnoses of disease.
Radiolucent
permitting the passage of x-rays
fluor/o
luminous, fluorescence
is/o
same
pharmaceut/o
drug
radi/o
x-rays
son/o
sound
-lucent
to shine
-opaque
obscure
cine
movement