Image quality and radiation dose at coronary CT angiography

Jeremy Collins*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Noninvasive, accurate morphologic imaging of the coronary arteries is the Holy Grail of emergency medicine, cardiology, and radiology. The coronary arteries are small vessels requiring submillimeter isotropic resolution to resolve distal branches. High temporal resolution is a priori to freeze cardiac motion. Dose-reducing algorithms and low-dose protocols have reduced the coronary CT angiography (CTA) dose to one that is comparable to that of catheter angiography. This article will discuss coronary CTA technique, components of image quality, radiation dosimetry, and exposure.

Original languageEnglish (US)
Pages (from-to)42-55
Number of pages14
JournalApplied Radiology
Volume36
Issue numberSUPPL. DEC.
StatePublished - Dec 1 2007

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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