Patient dose in cardiac computed tomography

Research output: Contribution to journalArticle

68 Scopus citations

Abstract

Background: Computed tomographic (CT) imaging of the heart is becoming more widely available, and the quality of and interest in these examinations continues to increase. Yet, many physicians who perform or order these exams may be unfamiliar with the radiation doses that are delivered to the patient during specific cardiac CT examinations. Objective: The purpose of this article is to describe several fundamental radiation dose quantities that are used to either measure or report the dose associated with a particular CT examination. In addition, radiation dose estimates are given for coronary artery calcium imaging and coronary angiography performed using either electron beam CT (EBCT) or multi-detector row CT (MDCT) systems.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalHerz
Volume28
Issue number1
DOIs
StatePublished - Feb 1 2003

Keywords

  • Cardiac CT
  • Computed tomography dose index
  • Coronary angiography
  • Coronary calcium
  • Effective dose
  • Radiation dose

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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