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71 Cards in this Set

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