Chap 20 - Radiology & Nuclear Med Review Sheets Flashcards by Vivian Nguyen

Obstructing the passage of x-rays:

radiopaque

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Permitting the passage of x-rays:

radiolucent

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Aids physicians in performing ultrasound procedures:

sonographer

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Transformation of stable substances into charged particles:

ionization

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Radioactive drug administered for diagnostic purposes:

radiopharmaceutical

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Radioactive chemical that gives off energy in the form of radiation:

radioisotope or radionuclide

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A physician who specializes in diagnostic radiology:

radiologist

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Study of the uses of radioactive substances in the diagnosis of disease:

nuclear

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Radiopaque substances are given and conventional x-rays taken

contrast studies

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Use of echoes of high-frequency sound waves to diagnose disease

ultrasonography

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A magnetic field and radio waves are used to form images of the body

magnetic resonance imaging

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X-ray pictures are taken circularly around an area of the body, and a computer synthesizes the information into composite images

computed tomography

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Therapeutic procedures are performed by a radiologist under the guidance of CT, MRI, or ultrasonography

interventional radiology

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myelography

spinal cord

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retrograde pyelography

urinary tract

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angiography

blood vessels

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upper GI series

esophagus, stomach, and small intestine

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cholangiography

bile vessels (ducts)

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barium enema

lower gastrointestinal tract

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hysterosalpingography

uterus and fallopian tubes

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posteroanterior view (back to front)

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supine

lying on the back

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prone

lying on the belly

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anteroposterior view (front to back)

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lateral

on the side

oblique

x-ray tube positioned on an angle

lateral decubitus

lying down on the side

adduction

movement toward the midline

inversion

turned inward

abduction

movement away from the midline

recumbent

lying down; prone or supine

eversion

turning outward

flexion

being a part

extension

straightening a limb

in vitro

process, test, or procedure in which something is measured or observed outside a living organism

in vivo

process, test, or procedure in which something is measured or observed in a living organism

radiopharmaceutical

radioactive drug (radionuclide plus chemical) that is given for diagnostic or therapeutic purposes

tracer studies

tests in which radioactive substance (radioisotopes) are administered with chemicals and followed as they travel throughout the body

uptake

the rate of absorption of a radionuclide into an organ or | tissue

perfusion lung scan

imaging technique in which a radiopharmaceutical is injected intravenously and traced within the blood vessels of the lung scanned

ventilation lung scan

imaging technique in which a radiopharmaceutical is inhaled and its passage through the respiratory tract is traced on a scan

bone scan

imaging technique in which a radiopharmaceutical is given intravenously and taken up by bone tissue, followed by scanning to detect the amount of the radioactive substance in the bone

thyroid scan

imaging technique in which a radioactive substance is given orally and a scan (image) is made to assess its uptake in the thyroid gland

technetium Tc 99m Sestamibi scan

test of heart muscle function

gamma camera

machine that detects rays emitted by radioactive substances

positron emission tomography (PET)

radioactive glucose is injected and traced to body cells

radioisotope

a radioactive form (radionuclide) of a substance; gives off radiation

transducer

handheld device that sends and receives ultrasound signals

echocardiography

ultrasound is used to create an image of the heart

lymphoscintigraphy

nuclear medicine imaging of the lymphatic system

radioactive iodine uptake test

nuclear medicine test to evaluate the function of the thyroid gland

PET/CT scan

combination of a PET scan and a CT scan to show both structure and function of the body

-gram

record

ultra-

beyond

vitr/o

glass

viv/o

life

pharmaceut/o

drug

son/o

sound

therapeut/o

treatment

MRI

magnetic resonance imaging

SPECT

single photon emission computed tomography

PACS

picture archival and communications system

UGI

upper gastrointestinal (series)

CXR

chest x-ray

DSA

digital subtraction angiography

IVP

intravenous pyelogram

LAT

lateral

U/S

ultrasound

Tc-99m

radioactive technetium

ion/o

ion, to wander

is/o

same, equal

myel/o

spinal cord; bone marrow

radi/o

x-rays; radioactivity; radius (lateral lower arm bone)

-graphy

process of recording

-lucent

to shine

-opaque

obscure

echo-

reflected soundion