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71 Cards in this Set
- Front
- Back
computed tomography (CT)
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diagnostic x-ray procedure whereby a cross-sectional image of a specific body segment is produced
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gamma camera
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machine to detect gamma rays emitted from radiopharmaceuticals
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contrast studies
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radiopaque materials are injected to obtain contrast with surrounding tissue when shown on the x-ray film
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half-life
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time required for a radioactive substance to lose half its radioactivity by disintegration
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interventional radiology
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therapeutic or diagnostic procedures performed by a radiologist, such as needle biopsy, abscess drainage
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in vitro
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process, test or procedure is performed outside a living organism often in a test tube
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in vivo
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process, test or procedure is performed inside a living organism
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ionization
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transformation of electrically neutral substances into electrically charged particles. Xrays cause this in tissues
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magnetic resonance imaging (MRI)
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magnetic field and radio waves produce sagittal, coronal, and axial images of the body.
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nuclear medicine
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medical specialty that studies the use of radioactive substances (radionuclides) in diagnosis of disease.
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positron emission tomography (PET)
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radioactive substances given intravenously to create a cross-sectional image of cellular metabolism based on local concentration of the radioactive substance.
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radioimmunoassay
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test combines radioactive chemicals and antibodies to detect minute quantities of substances in patient's blood
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radioisotope; radionuclide
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radioactive form of an element (2 names)
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radiolabeled compound
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radiopharmaceutical; used in nuclear medicine studies
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radiology
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medical specialty concerned with the study of xrays and their use in the diagnosis of disease - includes other forms of energy such as ultrasound and magnetic waves
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radiolucent
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permitting the passage of x-rays
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radiopaque
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obstructing the passage of xrays - appears white on film
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radiopharmaceutical; radiotracer; technetium 99m with albumin, or DTPA
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radioactive drug (radionuclide plus chemical) that is administered for diagnostic and therapeutic purposes - 2 names, example
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scan (4 types)
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image of an area, organ or tissue - CT, MRI, radioactive tracer studies, ultrasound
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SPECT
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single photon emission computed tomography (abr)
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SPECT (def)
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radioactive tracer is injected intravenously and a computer reconstructs a 3D image based on a composite of many views
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tagging
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attaching a radionuclide to a chemical and following its path in the body
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tracer studies
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radionuclides are used as tags or labels, attached to chemicals, and followed as they travel through the body
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transducer
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handheld device that sends and receives ultrasound signals
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ultrasonography (US, U/S)
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diagnostic technique that projects and retrieves high-frequency sound waves as they echo off parts of the body
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uptake
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rate of absorption of a radionuclide into an organ or tissue
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ventilation-perfusion studies
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radiopharmaceutical is inhaled and injected intravenously, followed by imaging its passage through the respiratory tract
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is/o
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R. same (not home/o)
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pharmaceut/o
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R. drug (not chem/o)
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radi/o
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R. xrays
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son/o
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R. sound
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therapeut/o
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R. treatment
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vitr/o
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R. glass
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viv/o
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R. life
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-gram
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S. record
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-graphy
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S. process of recording
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-lucent
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S. to shine
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-opaque
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S. obscure
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echo-
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P. a repeated sound
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ultra-
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P. beyond
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Angiography
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xray image of blood vessels and heart chambers, using contrast
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MUGA Scan
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multiple-gated acquisitions - radioactive test to show heart function
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Decubitus
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lying down
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Oblique
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travelling in a slanting view
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Echocardiography
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ultrasound imaging of the heart
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contrast medium
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substance used injected to visualize tissues that are of similar density in xrays
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Cholangiography
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x-ray image of bile ducts with contrast
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Prone
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lying face down
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Barium Sulfate
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a contrast medium used for examination of the upper and lower GI tract
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Abduction
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movement away from midline
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Barium Enema
AP view |
anteroposterior - front to back
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Adduction
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movement toward midline of body
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Recumbent
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lying down - not decubitus
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UGI
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upper gastrointestinal series of xrays
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PA view
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posteroanterior - back to front
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Supine
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lying face up
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Extension
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lengthening, or straightening a limb
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Hysterosalpingography
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xray of uterus and fallopian tubes - determines patency of F. tubes
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Fluoroscopy
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The use of xrays to produce real-time video images
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Radiologic Technologist
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specialist in radiology
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Myelography
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xray imaging of the spinal cord with contrast
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Liver/spleen
scans |
MRI of the liver or spleen
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VQ Scan
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ventilation-perfusional scan of the lungs (abr)
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Thallium Scan
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Scan to evaluate myocardial perfusion
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Flexion
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bending a part of the body
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Lateral
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on the side
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Roentgenology
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alternate term for radiology
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IVP
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intravenous pyelogram
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Nuclear Medicine Physician or Nuclear Physician
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A physician that specializes in the practice of administering radioactive and radionuclides
tests |
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arthrogram
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xray of a joint
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myelogram
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xray of the spine
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