Abolition of Respiratory-Motion Artifact in Computed Tomography Coronary Angiography with Ultrafast Examinations: A Comparison Between 64-row and 320-row.

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Date of download: 6/3/2016 Copyright © The American College of Cardiology. All rights reserved. From: Detection of Coronary Artery Stenoses by Low-Dose,
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Presentation transcript:

Abolition of Respiratory-Motion Artifact in Computed Tomography Coronary Angiography with Ultrafast Examinations: A Comparison Between 64-row and 320-row Multidetector Scanners  Felipe S. Torres, MD, Andrew M. Crean, MD, MRCP, FRCR, Elsie T. Nguyen, MD, FRCPC, Ravi Menezes, PhD, Deirdre Doyle, MD, Anoop P. Ayyappan, MD, Sobhi Abadi, MD, Narinder Paul, MD, MRCP (UK), FRCR, FCPC  Canadian Association of Radiologists Journal  Volume 61, Issue 1, Pages 5-12 (February 2010) DOI: 10.1016/j.carj.2009.07.003 Copyright © 2010 Canadian Association of Radiologists Terms and Conditions

Figure 1 (A–D) A 24-year-old man with RA. (A) Transaxial image shows doubling of vessels and bronchial walls in both lungs (arrows). (B) Sagittal reformatted image clearly shows the stair-step artifact at the same anatomical level of (A) (arrows). (C) Transaxial image at the same anatomical level of (A) shows severe blurring of the left anterior descending coronary artery (arrow). (D) Curved planar reconstructed image shows unevaluable segment in the mid left anterior descending coronary artery because of respiratory artifact. Canadian Association of Radiologists Journal 2010 61, 5-12DOI: (10.1016/j.carj.2009.07.003) Copyright © 2010 Canadian Association of Radiologists Terms and Conditions

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