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Drugs in Cardiac CT

  • Sebastian Rogowski
  • Virginia W. Lesslie
  • Ullrich EbersbergerEmail author
Chapter
Part of the Contemporary Medical Imaging book series (CMI)

Abstract

In spite of the advances in scanner technology in coronary CT angiography (CCTA), image quality is still influenced by heart rate (HR) and the consistency of the cardiac cycle. Additionally, HR is related to the diagnostic value and level of radiation exposure of CCTA (Stolzmann et al., AJR Am J Roentgenol 197:851e858, 2011; Matt et al., AJR Am J Roentgenol 189:567e573, 2007; Dewey et al., Circulation 120:867e875, 2009). The reason for pharmaceutical intervention in patients’ CCTA examinations for the assessment of coronary disease (CAD) and myocardial perfusion is the reduction of HR and the instigation of coronary vasodilatation in order to achieve maximal coronary flow. The current guidelines propose a HR of <65 bpm before imaging (Abbara et al., J Cardiovasc Comput Tomogr 3:190–204, 2009).

Keywords

Medication in cardiac CT Coronary CT angiography CT myocardial perfusion imaging β-Blockers in controlling heart rate Pharmacological stress agents 

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Copyright information

© Humana Press 2019

Authors and Affiliations

  • Sebastian Rogowski
    • 1
  • Virginia W. Lesslie
    • 2
  • Ullrich Ebersberger
    • 1
    • 2
    Email author
  1. 1.Department of Cardiology and Intensive Care MedicineHeart Center Munich-BogenhausenMunichGermany
  2. 2.Division of Cardiovascular Imaging, Department of Radiology and Radiological ScienceMedical University of South CarolinaCharlestonUSA

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