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63 terms

language of medicine chapter 20

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nuclear medicine
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 substance
absorbs most of the x-rays it is exposed to
barium enema
iodine compound is given and x-rays are taken of the intestinal tract
IVP
x-ray of the renal pelvis and urinary tract after injecting dye into a vein
myelogram
x-ray of the spinal cord
arthrogram
x-ray of the joint
tomography
x-ray test to show an organ in depth
characteristics of a CT scan
uses ionizing x-rays and computer to produce a transverse image of the body organs
characteristics of an MRI
sagittal, frontal, and cross-sectional images are produced using magnetic and radio waves
PA view
x-ray of a patient upright with their back to the x-ray machine and the film to the chest
adduction
moving the part of the body toward the midline of the body
radioisotope
substance that gives off high-energy particles or rays
perfusion study of the lung
test that is a radiopharmaceutical injected intravenously and traced within the vessels of the lung
vivo test
experiments are performed in a living organism
liver and spleen scans can detect
cirrhosis and splenomegaly due to abscess or tumor
interventional radiologists perform
placement of drainage catheters, occlusion of bleeding vessels, istillation of antibiotics or chemotherapy via catheters
ultrasound
uses a transducer
PACS
system to replace traditional films with digital equivalents
thallium-201
contrast material
FDG
radiopharmaceutial 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-ray
sonographer
aids physicians in performing ultrasound procedures
radioisotape
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
radiologist
a physician who specializes in diagnostic radiology
nuclear medicine
study of uses of radioactive substances in the diagnosis of disease
contrast studies
radiopaque substances are given and x-rays taken
cineradiography
use of motion picture techniques to record x-ray images
positron emission tomography
radioactive substance is given intravenously 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
fluoroscopy
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
therapeutic procedures are performed by a radiologist under the guidance of fluoroscopy or ultrasound
myelography
spinal cord
pyelography
renal pelvis of kidney and the urinary tract
angiography
blood vessels
arthrography
joints
upper GI series
esophagus, stomach, and small intestine
cholangiography
bile vessels
barium enema
lower gastrointestinal tract
hysterosalpingography
uterus and fallopian tubes
fluor/o
luminous, fluorescence
is/o
same
pharmaceut/o
drug
radi/o
x-rays
roentgen/o
x-rays
son/o
sound
therapeut/o
treatment
vitr/o
glass
viv/o
life
-gram
record
-graphy
process of recording
-lucent
to shine
-opaque
obscure
cine-
movement
echo-
a repeated sound
ultra-
beyond