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82 terms

LOM chapter 20

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nuclear medicine
what is the medical specialty that studies the characteristics and uses of radioactive substances in diagnosis of disease
radiologist
specializes diagnostic techniques such as ultrasound, MRI, and CT scans
radiopaque
absorbs most of the x-rays it is exposed to
barium enema
metallic powder is introduced to the large intestine and x-rays are taken
IVP
x-ray of the renal pelvis and urinary tract after injecting dye into a vein
myelogram
x-ray of spinal cord
arthrogram
an x-ray of a joint
tomography
term that best describes an x-ray test to show an organ in depth
CT scan
magnetic and radio waves are used to create image
MRI
sagittal, frontal, and cross-sectional images are produced using magnetic and radio waves
PA view
which x-ray view is the patient upright with the back to the x-ray machine and the film to the chest
adduction
movment toward the midline of the body
radioisotope
substance that gives off high-energy particles or rays
perfusion study of the lung
which test is radiopharmaceutical injected intravenously and traced within the vessels of the lung
vivo test
experiments are performed in a living organism
cirrhosis and splenomegaly due to abcess or tumor
what can liver and spleen scans detect
placement of drainage catheter
interventional radiologists perform all of the following except...
contrast material
what is Thallium-201
ultrasound
in which procedure is a transducer used
PACS
system to replace a traditional films with digital equivalents
FDG
radiopharmaceutical used in a PET scan
DICOM
protocol for transmission between imaging devices
SPECT
technique using a radioactive substance and a computer to create three- dimensional images
radiopaque
obstructing the passage of x-rays
radiolucent
permitting the passage of x-rays
radiographer
aids physicians in performing ultrasound procedures
radionuclide
radioactive element that gives off energy in the form of radiation
radiopharmaceutical
radioactive drug administered for diagnostic purposes
ionization
transformation of stable substances into changed particles
nuclear medicine
study of uses of radioactive substances in the diagnosis of disease
contrast studies
radiopaue substances are given and x-rays taken
cineradiography
use of motion picture techniques to record x-ray images
psitron emission tomography
radioactive substance is given intraveneously and a cross-sectional image is created of cellular metabolism based on local concentration of the radioactive substance
ultrasonography
echoes of high frequency sound waves are used to diagnose disease
fluroscopy
x-ray beams are focused from the body onto an image intensifier that glows as a result of the ionizing effect of x-rays
magnetic resonance imaging
a magnetic field and radio waves are used to form images of the body
computed tomography
x-ray pictures are taken circularly around an area of the body and a computer synthesizes the information into a composite axial picture
interventional radiology
theraputic procedures are performed by radiologist under the guidance of fluoroscopy or ultrasound
in vitro
test performed outside a living organism
radiopharmaceutical
radioactive drug that is administered safley for diagnostic and theraputic purposes
bone scan
imaging technique in which a radiopharmeceutical is given intravenously and taken up by bone tissue followed by scanning to detect the amount of radioactive substance
spinal cord
myelography is for the
renal pelvis of kidney and urinary tract
pyelography is for the
blood vessels
angiography is for the
joints
arthrography is for the
esophagus, stomch, and small intestine
upper GI series is for the
bile vessels (Ducts)
cholangiography is for the
lower gastrointestinal tract
barium enema is for the
uterus and fallopian tubes
hyterosalpingography is for the
eversion
turning outward
cineradiography
use of motion picture techniques to record a reies of x-ray images using fluroscopy
in vivo
measurment or observation within a living organism
radiolucent
permitting passage of most x-rays
uptake
rate of absorption of a radionuclide into an organ or tissue
in vitro
a procedure in which something is measured or observed outside a living organsim
fluroscence
the emission of glowing light resulting from exposure to and absorption of radiation
radiostope
radioactive form of a substance
scintigraphy
process(two dimensional) used to detect radioactivity emitted in diagnostic imaging
hyterosalpingography
x-ray record of the uterus and fallopian tubes
positron emission tomography
radioactive substances produce cross-sectional images of regions of the body
radiopharmeceutical
radioactive drug that is administered for diagnostic or theraputic purposes
theraputic
pertaining to treatment
radiopaque
obstructing the passage of x-rays
computed tomography
diagnostic x-ray procedure in which cross-sectional images are made of specific body segments
intravenous pyelography
x-ray record of the renal pelvis
cholangiography
process of recording x-ray images of bile vessels
later decubitus
x-ray position; lying down and on ones side
echocardiography
process of recording sound waves in order to produce an image of the heart
tracer studies
radionuclides are used as tags attached to chemicals and followed throughout the body
99m technetium sestambi scan
test of blood flow to the heart
half-life
time required for a radioactive substance to lose half its radioactivity by disintergration
gamma rays
high energy rays emitted by radioactive substances
interventional radiology
theraputic procedures performed by a radiologist
ionization
transformation of electrically neutral substances into electrically charges particles
computed tomography
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
gamma camera
materials to detect gamma rays emitted from radiopharmaceauticals during scanning for diagnostic purposes
magnetic resonance
magnetic field and radio waves produced images of the body in three planes
labeled compound
radiopharmeceutical used in nuclear medicine
radioimmunoassay
test that combines radioactive chemicals and antibodies to detect minute quantities of substances in a patients blood
radiostope
radioactive form of an element; radionuclide
radiology
medical specialty concerned with the study of x-rays and their use in the diagnosis of disease