By Pim J. de Feyter, G. P. Gabriel Krestin
Updated to mirror the impressive advances in cardiac computed tomography (CT) imaging, the second one version of the best-selling Computed Tomography of the Coronary Arteries offers cardiologists and radiologists with a realistic textual content that explains the elemental ideas and functions of CT.
Written by means of well known overseas specialists within the box, this available source sincerely provides the basics of the hot know-how of 64-slice imaging by using top of the range illustrations, references, and tables.
Contents include:
- image post-processing
- coronary imaging for regular coronary arteries
- coronary pathology and coronary imaging
- coronary stenosis
- coronary plaque imaging and calcification
- chronic overall occlusion
- an review of coronary stents
- coronary artery anomalies in adults
- coronary collaterals and skip grafts
- cardiac plenty, intracardiac thrombi, and pericardial abnormalities
- great thoracic vessels
- noncardiac findings on CT calcium screening
- left ventricular function
- artefacts
- the way forward for cardiac CT imaging
- contrast-enhancement for coronary angiography
Read or Download Computed Tomography of the Coronary Arteries PDF
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Extra resources for Computed Tomography of the Coronary Arteries
Example text
Spatial resolution is inversely related to the size of the focal spot of the roentgen tube, the distance between the tube and the detectors, and the size of the detector elements. Additionally, resolution improves with the number of acquired projections per rotation. The ability to distinguish details in the axial image is further influenced by the tube settings, motion, contrast enhancement, filtering, the image matrix size, size of the field-of-view, and display setting. 28). 27 The in-plane (xy) resolution represents the ability to distinguish details within the axial slice.
More inferior, the four cardiac chambers are displayed (c). Finally, the inferior side of the heart is shown with the distal right coronary artery and the inferior walls of the right and left ventricle (LV) (d). The aorta descendens is visualized in (b), (c) and (d). RA, right atrium; LA, left atrium; RV, right ventricle. of the volume data are discarded, it requires a relatively short reconstruction time. A potential problem with MIP is that superimposed higher density structures obscure the lower density structures of interest, which is the case when calcium is present along the imaginary ray from the observer point of view.
The general CT report should assess coronary angiography, coronary calcium score, and overview of the heart. (a) Coronary angiography: coronary arteries are evaluated following the standard segmental classification of the American Heart Association. Each segment should be scored normal, <50% obstruction, >50% obstruction, or total occlusion. Sometimes the segment is not assessable (NA) for several reasons: too small, too calcified, or motion artifact. Additionally, a confidence level is assigned to the assessment as well as the quality of the image.