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Noninvasive Coronary Angiography Using Dual-Source Computed Tomography in Patients With Atrial Fibrillation

posted by Thorsten R. C. Johnson, M.D. | Oct 19, 2009
Thorsten R. C. Johnson, M.D.

The purpose of this study was to assess the image quality of coronary CT angiograms with coronary angiography, using a dual-source CT scanner (DSCT), comparing systolic and diastolic reconstruction techniques. Additionally, we sought to evaluate the diagnostic accuracy of DSCT with coronary angiography as the standard of reference. Read more

Dual-Source Computed Tomography Assessment of Malfunctioning Mechanical Prosthetic Valve

posted by U. Joseph Schoepf, M.D. | Jun 8, 2009
U. Joseph Schoepf, M.D.

A41-year-old woman was admitted to the Medical University of South Carolina cardiology service with new-onset atrial fibrillation, with chest tightness, shortness of breath, and a nonproductive cough. As a child, she had a congenital bicuspid aortic valve with severe aortic stenosis that initially required commissurotomy, a bioprosthetic valve replacement at … Read more

Using DSCT for Visualizing Pulmonary Veins

posted by Martin Heuschmid, M.D. | Apr 11, 2008

Compared to other cardiac applications, motion artefacts are a minor issue in the examination of pulmonary veins. The University of Tuebingen recommends using the DSCT scanner in a non-gated single source mode for the visualization of the ostia and the distal veins. The role of CT in AF treatment When it comes … Read more