Language of medicine chapter 20

81 terms by tspooner777 

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RADIOLOGY AND NUCLEAR MEDICINE

computed tomography

CT scan

contrast studies

radiopaque materials are injected to obtain contrast with surrounding tissuewhen shown on x-ray film

gamma camera

machine to detect gamma rays emitted from radiopharmaceuticals during scanning for diagnostic purposes

gamma rays

high energy rays emitted by radioactive substances inn tracer studies

half life

time required for a radioactive substance to lose half its radioactivity by disintegration

interventional radiology

Therapeutic procedures performed by a radiologist

in vitro

in an artificial environment outside the living organism

in vivo

within a living organism

ionization

the process of ionizing

magnetic resonance imaging

magnetic field and radio waves produce sagittal, coronal,and axial images of the body

nuclear medicine

medical specialty that studies the uses of radioactive substances (radionuclides) in diagnosis of disease

position emission tomography

PET scans give information about metabolic activity

radioimmunoassay

test combines radioactive chemicals and antibodies to detect minute quanities of substances in a patients blood

radioisotope

radioactive form of an element substance: radionuclide

radiolabeled compound

radiopharmaceutical

radiology

the study of x-rays and their use in the diagnosis of disease

radiolucent

permitting the passage of x-rays

radionuclide

radioactive form of an element that gives off energy in the form of radiation

radiopaque

obstructing the passage of x-rays

radiopharmaceutical

radioactive drug that is administered safely for diagnostic and therapeutic purposes

scan

image of an area, organ, or tissue of the body obtained from a ultrasound,radioactive tracer studies, computed tomography, or magnetic resonance imaging

single photon emission computed tomography (spect)

radioactive tracer is injected intravenously and a computer reconstructs a 3D image based on a computer with many views

tagging

attaching a radionuclides 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 (ventilation) and injected intravenously (perfusion) followed by imaging its passage through the respiratory tract

pharmaceut/o

drug

radi/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

echo-

a repeated sound

ultra-

beyond

Angio

angiography

AP

anteroposterior

BE

barium enema

C-spine

cervical spine films

CT

computed tomography

CXR

chest x-ray (film)

Decub

decubitis-lying down

DICOM

digital imaging in communication in medicine- standard protocol for transmission between imaging devices(e.g. CT scans and PACS workstations)

DI

diagnostic imaging

DSA

digital subtraction angiography

ECHO

echocardiography

EUS

endoscopic ultrasonography

18F-FDG

fluorodeoxyglucose- radiopharmaceutical used in PET scanning

Gd

gadolinium-MRI contrast agent

1231

isotope of radioactive iodine-used in thyroid scans

1311

isotope of radioactive iodine- used in diagnosis (thyroid scan) and treatment for thyroid cancer

IVP

intravenous pyelogram

KUB

kidneys,ureters,bladder(series) - x-ray imaging of these organs without cintrast medium

LAT

lateral

LS films

lumbosacral (spine) films

L-spine

lumbar spine

MR,MRI

magnetic resonance, magnetic resonance imaging

MRA

magnetic resonance angiography

MRV

magnetic resonance venography

MUGA

multiple-gated acquisition scan

PA

posteranterior

PACS

Picture Archiving and Communications System

PET

positron emission tomography

PET/CT

positron emission tomography/computed

RAIU

Radioactive iodine up-take test

RFA

radiofrequency ablation

SBFT

small bowel follow through

SPECT

single photon emission computed tomography

99mTc

radioactive technetium-used in heart,brain,thyroid,liver,bone,and lung scans

201Tl

thallium-201 (radioisotope for Cardiology)

T-spine

thoracic spine

UGI

upper gastrointestinal series

US,U/S

ultrasound, ultrasonography

V/Q scan

ventilation-perfusion scan

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