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Vocabulary

Advanced Medical Terminology Chapter 20 ROOM221

TermDefinition
computed tomopgraphy (CT) diagnostic x-ray procedure that produces a cross-sectional image of a specific body segment
contrast studies radiopaque materials are injected to obtain contrast with surrounding tissue when shown on x-ray film
gamma camera high-energy rays emitted by radioactive substances to lose half its radioactivity by disintegration
half-life time required for a radioactive substance to lose half its radioactivity by disintegration
interventional radiology therapeutic or diagnostic procedures performed by a radiologist
in vitro process test or procedure performed, measured, or observed OUTSIDE of a living organism
in vivo process test or procedure proformed, measures, or observed INSIDE of a living organism
ionization transformation of electrically neutral substance into electrically charged particles
magnetic resonance imaging (MRI) use of electronic field and radio waves to produce sagittal, coronal, and axial images of the body
nuclear medicine medical specialty that studies uses of radioactive substances in diagnosis of disease
positron emission tomography (PET) use of positron-emitting radioactive substances given intravenously to create a cross-sectional imagine of cellular metabolism
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
radiolabeled compound radiopharmaceutical; used in nuclear medicine studies
radiology medical specialty concerned with the study of x-rays and their use in diagnosis of disease
radiolucent permitting the passage of x-rays
radionuclide radioactive form of an element; radioisotope
radioplaque obstructing the passage of x-rays
radiopharmaceutical radioactive drug used for diagnostic and therapeutic purposes
scan image of an area, organ or tissue of the body obtained from ultrasound, radioactive tracer studies, CT, or MRI
scintigraphy diagnostic nuclear medicine test using radiopharmaceuticals and gamma cameras to create images
single photon emission computed tomography (SPECT) radioactive tracer is injected intravenously and a computer reconstructs a 3D-image based on a composite of many views
tagging attaching a radionuclide to a chemical and following its path in the body
tracer studies use of radionuclide tags attahced to chemicals and followed as they travel through the body
ultrasonography (US, U/S) diagnostic technique that projects and retrieves high-frequency sound waves as they echo off body parts
ultrasound transducer handheld device that sends and receives ultrasound signals
uptake ventilation and perfusion of a radiopharmaceutical followed by imaging its passage through the respiratory tract
Created by: MedStudent2018