MRI GLOSSARY
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Contents |
0-9
A
- ABDOMINAL MR IMAGING
- ACCEPTANCE WINDOW
- ACOUSTIC NOISE
- ACQUISITION
- ACQUISITION MATRIX
- ACQUISITION TIME
- ACQUISITION WINDOW
- ACTIVE SHIELDING
- ADDITIVITY OF RELAXIVITY
- ADENOSINE
- ADIABATIC PULSE
- ALIASING (WRAP AROUND ARTIFACT)
- ALTERNATING CURRENT (AC)
- AMPLITUDE
- ANALOG
- ANALOG-TO-DIGITAL CONVERTER (ADC)
- ANESTHESIA AND MR IMAGING
- ANGIOGRAPHY
- ANGULAR FREQUENCY
- ANIMAL IMAGING
- ARRAY
- ARRAY COIL
- ARTHROGRAM
- ARTIFACT
- ARTERIAL SPIN LABELING (ASL)
- AUTO-CALIBRATION
- AXIAL PLANE
B
- B0
- B1
- B1+
- B1-
- B1 MAPPING
- BALANCED FAST FIELD ECHO (FFE)
- BAND ARTIFACT
- BANDWIDTH
- BASELINE
- BASELINE CORRECTION
- BILATERAL IMAGING
- BINOMIAL PULSES
- BIPOLAR GRADIENT
- BIRDCAGE COIL
- BLACK-BLOOD IMAGING
- BLOCH EQUATIONS
- BLOOD-OXYGEN-LEVEL DEPENDENT (BOLD)
- BODY COIL
- BODY MR IMAGING
- BOLUS TRACKING
- BOLTZMANN DISTRIBUTION
- BRAIN MR IMAGING
- BREAST MR IMAGING
- BREATH HOLD IMAGING
- BRIGHT-BLOOD IMAGING
- BROWNIAN MOTION
C
- CANCER AND MR IMAGING
- CARDIAC MRI
- CARDIAC TRIGGERING
- CARDIOVASCULAR MR IMAGING
- CARTESIAN
- CHELATES
- CHEMICAL SHIFT
- CHEMICAL SHIFT ARTIFACT
- CHEMICAL SHIFT IMAGING
- CINE ACQUISITION
- CINE MRI
- CIRCULARLY POLARIZED COIL
- COHERENCE
- COHERENT
- COIL
- COIL ARRAY
- COIL LOADING
- COIL PROFILE
- COIL SENSITIVITY
- COMPOSITE EXCITATION
- COMPRESSIVE SENSING
- COMPUTED TOMOGRAPHY (CT)
- CONDUCTIVITY
- CONDUCTANCE
- CONTINUOUS WAVE (CW) NMR
- CONTINUOUS ARTERIAL SPIN LABELING (CASL)
- CONTRAST
- CONTRAST AGENT
- CONTRAST ENHANCED MRI
- CONTRAST RESOLUTION
- CONTRAST-TO-NOISE RATIO
- CONVOLUTION DIFFERENCING
- CORONAL PLANE
- CORRELATION TIME
- COUPLED ARRAY COILS
- COUPLING CONSTANT
- CROSS-TALK ARTIFACT
- CROSSED-COIL
- CRYOGENIC LIQUIDS
- CRYOMAGNET
- CRYOSHIELDING
- CRYOSTAT
- CRYO COIL
- CURRENT
- CURRENT DENSITY IMAGING (CDI)
D
- DATA SAMPLING
- DC ARTIFACT
- DECIBEL (dB)
- DECOUPLING
- DEPHASING
- DEPHASING GRADIENT
- DEPTH PULSES
- DETUNE
- DIAMAGNETIC
- DIELECTRIC RESONANCE
- DIFFUSION
- DIFFUSION TENSOR IMAGING
- DIFFUSION-WEIGHTED IMAGING (DWI)
- DIGITAL TO ANALOG CONVERTER (DAC)
- DIGITIZATION
- DIGITIZATION NOISE
- DIGITIZER
- DIPOLE
- DIPOLE-DIPOLE INTERACTION
- DIPOLE FIELD
- DISTANCE FACTOR
- DRUG DEVELOPMENT AND MR IMAGING
- DUTY CYCLE
- DYNAMIC NMR SPECTROSCOPY
- DYNAMIC RANGE
E
- ECHO
- ECHO PLANAR IMAGING (EPI)
- ECHO TIME (TE)
- EDDY CURRENT ARTIFACT
- EFFECTIVE ECHO TIME
- ELECTROCARDIOGRAM (ECG)
- ELECTROCARDIOGRAPHIC (ECG) GATING
- ELECTROMAGNETIC FIELDS
- ELECTROMAGNETIC INDUCTION
- ELECTROMAGNETIC THEORY
- ELECTRON SPIN RESONANCE (ESR)
- EMERGING TECHNOLOGIES IN MR IMAGING
- ENCODING VELOCITY (Venc)
- ENTRY SLICE
- EPI FACTOR
- ERNST ANGLE
- EUROPEAN PHYSICAL AGENTS DIRECTIVE
- ECHO VOLUME IMAGING (EVI)
- EXCITATION
- EXPONENTIAL DECAY
F
- FA MAP
- FARADAY SHIELD
- FAST SEQUENCE
- FAST SPIN ECHO (FSE)
- FAT SATURATION
- FAT SUPPRESSION
- FERROMAGNETIC
- FERROMAGNETIC DETECTORS
- FID SIGNAL
- FIELD OF VIEW (FOV)
- FIELD STRENGTH
- FILTER
- FLASH MRI
- FLIP ANGLE
- FLIP ANGLE MAPPING
- FLUID ATTENUATED INVERSION RECOVERY (FLAIR)
- FLOW
- FLOW ARTIFACTS
- FLOW COMPENSATION
- FLOW EFFECTS
- FLOW ENCODING
- FLOW-RELATED ENHANCEMENT (FRE)
- FLOW SENSITIVITY DIRECTION
- FLOW SEPARATION
- FOLDOVER SUPPRESSION
- FOURIER TRANSFORM (FT)
- FRACTIONAL ECHO
- FRAMES
- FREE INDUCTION DECAY (FID)
- FREQUENCY (f)
- FREQUENCY ENCODING
- FREQUENCY OVERSAMPLING
- FRINGE FIELD
- FUNCTIONAL MAGNETIC RESONANCE IMAGING (fMRI)
G
- G FACTOR
- GADOLINIUM
- GATING
- GATING WINDOW
- GAUSS (G)
- GAUSSIAN NOISE
- GHOSTING ARTIFACT
- GIBBS RINGING
- GIBBS TRUNCATION ARTIFACT
- GIGAHERTZ (GHz)
- GRADIENT
- GRADIENT AMPLIFIER
- GRADIENT COILS
- GRADIENT ECHO
- GRADIENT RECALLED ECHO (GRE)
- GRADIENT STRENGTH
- GRADIENT SLEW RATE
- GRADIENT SPOILING
- GRAPPA
- GRAY MATTER
- GYROMAGNETIC RATIO
H
- HALF FOURIER MATRIX
- HALF SCAN
- HERTZ (Hz)
- HIGH FIELD MRS
- HIGH FIELD SYSTEMS
- HIGH INTENSITY FOCUSED ULTRASOUND (HIFU)
- HIGH-PASS FILTER (HPF)
- HISTORY OF MRI
- HOMOGENEITY
- HYPERPOLARIZED AGENTS
- HYPERPOLARIZED NOBLE GAS IMAGING
I
- IMAGE ACQUISITION TIME
- IMAGE CONTRAST
- IMAGE MATRIX
- IMAGE NOISE
- IMAGE RECONSTRUCTION
- IMAGE RESOLUTION
- IMAGE SEGMENTATION
- IMAGING SEQUENCE
- in vivo IMAGING
- INDIA INK ARTIFACT
- INDUCTION HEATING
- INFECTION CONTROL
- INFERIOR
- INFLOW AMPLIFICATION
- INTRAOPERATIVE MRI
- INTERECHO SPACING
- INTERNATIONAL SYSTEM OF UNITS (SI)
- INTERPOLATION
- INTERSLICE GAP
- INTERVENTIONAL MR IMAGING
- INVERSION
- INVERSION TIME (TI)
- INVERSION-RECOVERY (IR)
- INVERSION-RECOVERY-SPIN-ECHO (IRSE)
- ISMRM
- ISOCENTER
- ISOTOPE
- ISOTROPIC
J
K
L
- LARMOR EQUATION
- LARMOR FREQUENCY
- LATTICE
- LINEARITY
- LIVER MR IMAGING
- LOCALIZED MAGNETIC RESONANCE (LMR)
- LOGICAL GRADIENTS
- LONGITUDINAL MAGNETIZATION
- LONGITUDINAL RELAXATION
- LOOK-UP TABLE (LUT)
- LORENTZIAN LINESHAPE
- LOW-FIELD MR SCANNER
- LUNG MR IMAGING
M
- MAGIC ANGLE EFFECT
- MAGNET
- MAGNET ROOM
- MAGNETIC FIELD
- MAGNETIC FIELD GRADIENT
- MAGNETIC MOMENT
- MAGNETIC RESONANCE ANGIOGRAPHY (MRA)
- MAGNETIC RESONANCE ELASTOGRAPHY
- MAGNETIC RESONANCE GUIDED FOCUSED ULTRASOUND (MRgFUS)
- MAGNETIC RESONANCE IMAGING (MRI)
- MAGNETIC RESONANCE SPECTROSCOPY (MRS)
- MAGNETIC RESONANCE SPECTROSCOPIC IMAGING (MRSI)
- MAGNETIC SHIELDING
- MAGNETIC SUSCEPTIBILITY
- MAGNETIZABILITY
- MAGNETIZATION TRANSFER MRI
- MAGNETOENCEPHALOGRAPHY
- MAGNETO-HYDRO DYNAMIC EFFECT
- MAGNITUDE
- MANGANESE
- MATRIX
- MATRIX COIL
- MATRIX SIZE
- MAXIMUM INTENSITY PROJECTION (MIP)
- MEASUREMENT FIELD
- MEASUREMENT MATRIX
- MEASUREMENT TIME
- MEGAHERTZ (MHz)
- METABOLITE PROFILING
- "MISSILE EFFECT"
- MOBILE MRI
- MOLECULAR MR IMAGING
- MOTION ARTIFACTS
- MOTION CORRECTION
- MR-CONDITIONAL
- MR GUIDED INTERVENTION
- MR ENGINEERING
- MR PHYSICS
- MR-SAFE
- MR SCANNER
- MR SENSITIVITY
- MR-UNSAFE
- MRI ACCIDENTS
- MRI CONTROL ROOM
- MRI BORE
- MRI REGULATORY ISSUES
- MRI RISKS
- MRI SUITE
- MRI TECHNOLOGIST
- mSENSE
- MULTI-ECHO SEQUENCE
- MULTIPLANAR RECONSTRUCTION (MPR)
- MULTIPLE OVERLAPPING THIN-SLAB ACQUISITION (MOTSA)
- MULTIPLE SLICE IMAGING
- MULTIPLE SPIN ECHO
- MUSCULOSKELETAL (MSK) MR IMAGING
N
- NATIVE IMAGE
- NAVIGATOR ECHO
- NEPHROGENIC SYSTEMIC FIBROSIS (NSF)
- NET PHASE SHIFT
- NEUROIMAGING
- NEUROMETABOLIC COUPLING
- NEUROVASCULAR COUPLING
- NOBEL PRIZE
- NOISE
- NORMALIZATION FILTER
- NON-CARTESIAN IMAGING
- NON-IONIZING RADIATION
- NON-PROTON IMAGING
- NONSELECTIVE RF EXCITATION
- NUCLEAR MAGNETIC RESONANCE (NMR)
- NUCLEAR SPIN
- NULL POINT
- NYQUIST LIMIT
- NYQUIST THEOREM OF SAMPLING
O
- OBLIQUE IMAGING
- OCCUPATIONAL EXPOSURE TO MRI FIELDS
- OPEN MRI
- OPPOSED-PHASE IMAGING
- ORIENTATION
- OUTER VOLUME SUPPRESSION
- OVERSAMPLING
P
- PACEMAKER EFFECT
- PARALLEL IMAGING
- PARALLEL TRANSMISSION
- PARAMAGNETIC
- PARTIAL AVERAGING
- PARTIAL FLIP ANGLE
- PARTIAL FOURIER
- PARTITION DIMENSION
- PARTITION LOOP
- PARTITION THICKNESS
- PASSIVE SHIELDING
- PEAK AMPLITUDE
- PEDIATRIC AND FETAL IMAGING
- PELVIC IMAGING
- PERFUSION-WEIGHTED IMAGING
- PERIOD
- PERMEABILITY
- PERMANENT MAGNET
- PHANTOM
- PHASE
- PHASE ACCUMULATION
- PHASE CANCELLATION
- PHASE CONTRAST ANGIOGRAPHY
- PHASE CONTRAST SEQUENCE
- PHASE CORRECTION
- PHASE ENCODING
- PHASE-ENCODING GRADIENT
- PHASE IMAGE
- PHASE SHIFT
- PHASE SIGNAL
- PHASED-ARRAY COIL
- PICTURE ARCHIVING AND COMMUNICATION SYSTEM (PACS)
- PIXEL
- PLANAR IMAGING
- POINT SPREAD FUNCTION
- POSITRON EMISSION TOMOGRAPHY (PET)
- POST-CARTESIAN IMAGING
- POSTERIOR
- PPM
- PRECESS
- PRECESSION
- PREGNANCY AND MR IMAGING
- PROBE
- PROJECTION
- PROPELLER IMAGING
- PROSPECTIVE GATING
- PROTON DENSITY
- PROTON DENSITY-WEIGHTED IMAGES
- PSEUDO GATING
- PSYCHIATRIC MR IMAGING
- PULSE LENGTH (WIDTH)
- PULSE SEQUENCE
Q
R
- R FACTOR
- RADIAL SEQUENCE
- RADIO FREQUENCY
- RADIO FREQUENCY (RF) COIL
- RADIO FREQUENCY (RF) HEATING
- RADIO FREQUENCY (RF) SPOILING
- RADIO FREQUENCY (RF) WAVES
- RADIOLOGIST
- RADIOLOGY
- RAMPING
- RAPID ACQUISITION WITH RELAXATION ENHANCEMENT (RARE)
- RAW DATA MATRIX
- READOUT GRADIENT
- REAL-TIME MRI
- RECEIVE COIL
- RECEIVER BANDWIDTH
- RECEIVER CHANNELS
- RECEIVER TUNING
- REFOCUSING ANGLE
- REGION-OF-INTEREST (ROI)
- REGISTRATION
- RELAXATION
- RELAXIVITY
- RELAXOMETRY
- RELIEF ARTIFACT
- REPETITION TIME (TR)
- REPHASING
- RESISTIVE MAGNET
- RESONANCE
- RESONANCE FREQUENCY
- RESPIRATORY TRIGGERING
- RETROSPECTIVE GATING
- RF COIL
- RF HEATING
- RF PULSE
- RF SHIELDING
- RF TRANSMITTER
- RISE TIME
- ROOM SHIELDING
- ROTATION MATRIX
S
- SADDLE COIL
- SAFE EXPOSURE LIMITS
- SAFETY
- SAGITTAL PLANE
- SAMPLING
- SATURATION
- SATURATION RECOVERY
- SCAN DELAY
- SCAN TIME
- SEGMENTED K-SPACE DATA ACQUISITION
- SELECTIVE EXCITATION
- SENSITIVITY ENCODING (SENSE)
- SEQUENTIAL LINE IMAGING
- SEQUENTIAL PLANE IMAGING
- SEQUENTIAL POINT IMAGING
- SHIM COILS
- SHIMMING
- SHORT TAU INVERSION RECOVERY (STIR)
- SHOULDER MR IMAGING
- SIGNAL CONTRAST
- SIGNAL-TO-NOISE RATIO (SNR)
- SIMULTANEOUS ACQUISITION OF SPATIAL HARMONICS (SMASH)
- SIMULTANEOUS EXCITATION
- SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY (SPECT)
- SINGLE POINT IMAGING (SPI)
- SINGLE SIDE ENCODING
- SINGLE-SHOT IMAGING
- SINGLE-TURN SOLENOID
- SLEW RATE
- SLICE
- SLICE BOUNDARY ARTIFACTS
- SLICE DISTANCE
- SLICE GAP
- SLICE SELECTION
- SLICE SHIFT
- SLICE THICKNESS
- SODIUM IMAGING
- SOFT TISSUE MR IMAGING
- SPATIAL RESOLUTION
- SPECIFIC ABSORPTION RATE (SAR)
- SPECTRAL LINES
- SPECTRAL EDITING
- SPECTROSCOPY
- SPECTRUM
- SPIN
- SPIN DENSITY
- SPIN ECHO (SE)
- SPIN-LATTICE RELAXATION
- SPIN-LATTICE RELAXATION TIME
- SPIN PACKET
- SPIN TAGGING
- SPIN-SPIN COUPLING
- SPIN-SPIN RELAXATION
- SPIN WARP IMAGING
- SPINAL MR IMAGING
- SPIRAL MRI
- SPOILING
- SPORTS MEDICINE AND MR IMAGING
- STATIC MAGNETIC FIELDS
- STEADY-STATE FREE PRECESSION (SSFP)
- STIMULATED ECHO
- STRAY FIELD
- SUPERCONDUCTIVE MAGNET
- SUPERCONDUCTOR
- SUPERIOR
- SUPPRESSION
- SURFACE COIL
- SURFACE RENDERING
- SURFACE SHADED DISPLAY (SSD)
- SUSCEPTIBILITY
- SUSCEPTIBILITY ARTIFACT
- SUSCEPTIBILITY CONTRAST
- SUSCEPTIBILITY WEIGHTED IMAGING (SWI)
T
- T1
- T1-WEIGHTED IMAGE
- T1 MAPPING
- T2
- T2-WEIGHTED IMAGE
- T2 DECAY
- T2*
- TAGGING
- TESLA (T)
- TEM COIL
- THERMAL HEATING
- TIME-OF-FLIGHT SEQUENCES
- TIME-RESOLVED MAGNETIC RESONANCE ANGIOGRAPHY (MRA)
- TISSUE CLASSIFICATION
- TOMOGRAPHIC
- TORQUE
- TRACTOGRAPHY
- TRANSAXIAL PLANE
- TRANSLATION MATRIX
- TRANSMISSION BANDWIDTH
- TRANSMITTER COIL
- TRANSVERSE MAGNETIZATION
- TRANSVERSE PLANE
- TRIGGER DELAY
- TRIGGER WINDOW (TW)
- TrueFISP
- TURBULENCE
U
V
- VARIABLE BANDWIDTH IMAGING
- VASCULAR MR IMAGING
- VECTOR
- VELOCITY
- VELOCITY-SELECTIVE ARTERIAL SPIN LABELING (VS-ASL)
- VESSEL TRACKING
- VOLUME COIL
- VOLUME IMAGING
- VOLUME OF INTEREST (VOI)
- VOLUME RENDERING (VR)
- VOXEL
