Using gated technetium-99m-sestamibi SPECT to characterize fixed myocardial defects as infarct or artifact.

  • DePuey E
  • Rozanski A
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Perfusion-scan fixed defects may result from soft tissue attenuation, decreasing test specificity for coronary disease and myocardial infarction (MI). Gated 99mTc-sestamibi SPECT may help differentiate MI from artifact since fixed defects with decreased function (wall motion and thickening) probably represent MI, whereas attenuation artifacts either have normal function or at least do not demonstrate markedly reduced function.

Author-supplied keywords

  • Artifacts
  • Diaphragm
  • Diaphragm: radionuclide imaging
  • Emission-Computed
  • Female
  • Heart
  • Heart: radionuclide imaging
  • Humans
  • Male
  • Myocardial Infarction
  • Myocardial Infarction: radionuclide imaging
  • Prospective Studies
  • Single-Photon
  • Technetium Tc 99m Sestamibi
  • Technetium Tc 99m Sestamibi: diagnostic use
  • Tomography

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  • PMID: 7769451
  • SCOPUS: 2-s2.0-0029069659
  • SGR: 0029069659
  • ISBN: 0161-5505
  • PUI: 25165977
  • ISSN: 0161-5505


  • E. Gordon DePuey

  • Alan Rozanski

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