How is coronary computed tomography angiography (CCTA) performed in patients with arrhythmia?

Updated: Dec 21, 2017
  • Author: Eugene C Lin, MD; Chief Editor: Eugene C Lin, MD  more...
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Arrhythmias present a challenge for CCTA because of both high and irregular heart rates, and both stairstep and motion artifacts can be seen. Atrial fibrillation has sometimes been considered a relative contraindication to the performance of CCTA. However, in recent studies, CCTA has been successfully performed in patients with atrial fibrillation by using dual-source CT and end-systolic reconstruction and by using single-source 64-slice CT with ECG-editing [63] and middiastolic reconstruction. [64]

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