What makes a coronary CT angiogram nondiagnostic?

James K. Min, Fay Y. Lin

Research output: Contribution to journalReview articlepeer-review

6 Scopus citations


Despite the high diagnostic accuracy of multidetector coronary computed tomographic angiography (CCTA) for the detection and exclusion of obstructive coronary artery stenosis, several technologic limitations of current generation CT scanners may cause artifacts that prevent interpretation of images or cause misclassification of lesions. This review discusses the identification and resolution of the most commonly encountered artifacts that may cause a CCTA to be nondiagnostic, including aspects related to (1) spatial resolution, (2) temporal resolution, (3) contrast enhancement, and (4) other patient-specific factors.

Original languageEnglish
Pages (from-to)351-359
Number of pages9
JournalJournal of Cardiovascular Computed Tomography
Issue number6
StatePublished - Nov 2008
Externally publishedYes


  • Artifacts
  • Computed tomography
  • Coronary angiography
  • Coronary artery disease


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