Radiology Abbreviations


AAPM – American Association of Physics in Medicine

AAS – Acute Abdominal Series

ABC – Automatic Brightness Control

ABD – Abdomen

AC – Alternating Current

ACR – American College of Radiology

ADC – Analog-to-Digital Converter

AEC – Automatic Exposure Control

AGC – Automatic Gain Control

AHRA – American Healthcare Radiology Administrators

Al – Aluminium

ALARA – As Low As Reasonably Achievable.

AMU – Atomic mass units

AP – Anterio-Posterior

APR – Anatomical Programmed Radiography

ARNA – American Radiological Nurses Association

ARR – Academy of Radiology Research

ARRS – American Roentgen Ray Society

ARRT – American Registry of Radiologic Technology

a-Se – Aamorphous Selenium

a-Si – Amorphous Silicon

ASRT – American Society of Radiologic Technologists


Ba – Barium

BAS – Barium Swallow

Be – Beryllium

BE – Barium Enema

BIR – The British Institute of Radiology

BS – British Standard

BW – Bandwidth


C/kg – Coulomb per Kilogram

CAT – Computed Axial Tomography

CAU – Caudal

CCD – Charge Coupled Device

CD – Compact Disc

CDR – Recordable Compact Disc

CEU – Continuing Education Unit

CHD – Coronary Heart Disease

CINE – C inematographic

CNR – Contrast-to-Noise Ratio

CPR – Cardio-Pulmonary Resuscitation

CR – Computed Radiography

CRA – Cranial

CRT – Cathode Ray Tube

CsI – Caesium Iodide

CT – Computed Tomography

CTDI – Computed Tomography Dose Index

Cu – Copper

CXR – Chest X-ray


DAP – Dose Area Product

DAS – Data Acquisition System

DC – Direct Current

DDR – Direct Digital Radiography

DECUB – Decubitis

DH – Department of Health

DICOM – Digital Imaging and Communication in Medicine

DLP – Dose-Length Product

DQE – Detective Quantum Efficiency

DSA – Digital Subtraction Angiography

DTPA – Diethylenetriaminepentaacetic Acid

DVD – Digital Video Disc


Eb – Electron Binding Energy

EBCT – Electron Beam Computed Tomography

ECG – Electro Cardiogram

EPI – Echo Planar Imaging

ESR – Electron Spin Resonance

ETL – Echo Train Length

eV – Electron Volt


FA – Flip Angle

FATSAT – Fat Saturation

FDA – Food and Drug Administration

FDA – Food and Drug Administration

FDD – Focus to Detector Distance

FDD -focus to detector distance

FE – Field Echo

FFT – Fast Fourier Transform

FID – Focus to Isocentre Distance, Free Induction Decay

FOV – Field Of View

FPR – Fluoroscopy Programmed Radiography

FPS – Frames Per Second

FSE – Fast Spin Echo

FT – Fourier Transform


GCF – Grid Conversion Factor

Gd – Gadolinium

Gd2O2S – Gadolinium Oxysulphide

GE – Geometric Efficiency, General Electric, Gradient Echo

GI – Gastrointestinal

Gy – Gray


H+ – Hydrogen Density

HIS – Hospital Information System

HU – Hounsfield Unit

Hz – Hertz


ICRP – International Commison on Radiological Protection

II – Image Intensifier

IM – Intramuscular

IR – Inversion Recovery, Interventional Radiology

ISO – International Organization for Standardization

IV – Intravenous

IVP – Intravenous Pyleogram

IVU – Intravenous Urogram


JRCERT – Joint Review Committee on Education in Radiologic Technology


KeV – Kiloelectron Volt

Kg – Kilogram

kVp – Kilovoltage Peak


LAO – Left Anterior Oblique

LCD – Low Contrast Detail, Liquid Crystal Display

LCR – Low Contrast Resolution

LI – Linear Interpolator

LIH – Last Image Hold

LPO – Left Posterior Oblique

LSF – Line Spread Function

LT – Left

LUT – Look Up Table


MAMMO – Mammography, Mammogram

mA – Milliamperage

mAs – Milliampere Seconds

MDA – Medical Devices Agency

MDCT – Multi-Detector Computed Tomography

MDD – Medical Device Directive

MinIP – Minimum Intensity Projection

MIP – Maximum Intensity projection

Mo – Molybdenum

MOD – Magneto-Optical Disc

MRA – Magnetic Resonance Angiography

MRI – Magnetic Resonance Imaging

MRS – Magnetic Resonance Spectroscopy

MSAD – Multiple Scan Average Dose

MSCT – Multi-Slice Computed Tomography

MTF – Modulation Transfer Function

Mz – Magnetization Vector


NCRP – National Council on Radiation Protection and Measurment

NEMA – National Equipment Manufacturers Agency

NEQ – Noise Equivalent Quanta

NEX – Number of Excitations

NRC – Nuclear Ragulatory Commission

NRPB – National Radiological Protection Board


OBL – Oblique

OD – Optical Density


PA – Postero-Anterior

PACS – Picture Archive and Communications System

Pb – Lead

PBL – Positive Beam Limitation

PMT – Photomultiplier Tube

POSL – Pulse Optically Stimulated Luminescence Dosimeter

PPS – Pulses Per Second

PRE-SAT – Presaturation

PSF – Point Spread Function

PSP – Photostimulable Phosphor

PTCA – Percutaneous Transluminal Coronary Angioplasty


QA – Quality Assurance

QC – Quality Control


R&F – Radiography and Fluoroscopy

RAD – Radiation Absorbed Dose

RAM – Random Access Memory

RAO – Right Anterior Oblique

REM – Radiation Equivalent Man

RFOV – Reconstruction Field Of View

Rh – Rhodium

RIS – Radiology Information System

ROI – Region Of Interest

RPO – Right Posterior Oblique

RSNA – Radiological Society of North America

RT – Right, Registered Technologist


SAR – Specific Absorption Rate

SCP – Service Class Provider

SCAR – Society for Computer Applications in Radiology

SCR – Silicon Controlled Rectifier

SCU – Service Class User

SE – Spin Echo

SFOV – Scan Field Of View

SID – Source to Image Distance

SNR – Signal to Noise Ratio

SONO – Sonogram, Sonography

SPR – Scan Projection Radiograph

SSD – Surface Shaded Display

Sv – Seivert


T – Tesla

TCDD – Threshold Contrast Detail Detectability

TDI – Time Delay Integration

TE – Echo Time

TFT – Thin Film Transistor

TI – Inversion Time

TLD – Thermoluminescent Dosimeter

TOF – Time of Flight

TOMO – Tomography, Tomogram

TR – Repetition Time


UGI – Upper Gastrointestinal Series

US – Ultrasond, Ultrasonography


VR – Volume Rendered, Volume Rendering


W – Tungsten

WIP – Work In Progress


XR – X-ray

~ by Dr. Serdar دکتر سردار on January 25, 2000.

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