MRI pulse sequence abbreviations

This article contains a list of commonly and less commonly used MR pulse sequence abbreviations and their meaning. If available, an explanation is included in a separate article.

  • spin echo sequences
    • T1: T1 weighted
      • IR: inversion recovery
    • T2 : T2 weighted
      • RARE: rapid acquisition with relaxation enhancement
      • HASTE: half-Fourier acquisition single-shot turbo spin-echo
      • BLADE: proprietary name for periodically rotated overlapping parallel lines with enhanced reconstruction (PROPELLER) in MR systems from Siemens HealthcareTM 4
    • T2*:
      • BOLD imaging: blood oxygen level dependent imaging
    • TSE: turbo spin echo
    • TGSE: turbo gradient spin echo
    • VISTA: 3D volume isotropic turbo spin echo acquisition
  • gradient echo sequences (GRE)
    • SSFP: steady state free precession
    • TRUFI: true fast imaging with steady-state free precession
    • true FISP: fast imaging with steady-state free precession
    • PSIF: reverse FISP
    • DESS: dual echo steady state
    • FLASH: fast low angle shot 
    • GRASS: gradient recalled acquisition in the steady state
    • SPGR: spoiled gradient recalled
      • VIBE: volumetric interpolated breath-hold examination, volumetric interpolated brain examination
    • CISS: constructive interference in steady-state
    • FIESTA: fast imaging employing steady-state acquisition
  • diffusion weighted sequences:
    • DWI: diffusion-weighted imaging
    • ADC: apparent diffusion coefficient maps
  • SWI : susceptibility weighted imaging
  • inversion recovery sequences:
    • STIR: short tau inversion recovery
    • FLAIR: fluid-attenuated inversion recovery
    • TIRM: turbo inversion recovery magnitude
  • MR angiography:
  • in and out of phase imaging
  • fat suppressed imaging
  • general techniques:
    • CLEAR: Constant LEvel AppeaRance

See also


MRI physics
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rID: 8073
Sections: Physics, Radiography
Tag: mri
Synonyms or Alternate Spellings:
  • Pulse sequence abbreviations
  • Pulse sequence abbreviations for MRI
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