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Diagnostic Imaging

Computed Tomography of the Coronary Arteries by Pim J. de Feyter, G. P. Gabriel Krestin

By Pim J. de Feyter, G. P. Gabriel Krestin

Updated to mirror the striking 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 pragmatic textual content that explains the elemental ideas and functions of CT.

Written by way of popular overseas specialists within the box, this available source in actual fact provides the basics of the recent expertise of 64-slice imaging by utilizing prime quality 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 evaluation of coronary stents
  • coronary artery anomalies in adults
  • coronary collaterals and pass 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

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Additional resources for Computed Tomography of the Coronary Arteries

Sample text

Although almost the entire area within the boundaries of the gantry is scanned, only that part where the patient is, or only a part of where the patient is, is selected for reconstruction. This reconstructed area is called the field of view. Reconstructed CT images contain a fixed number of image elements: 256 × 256, 512 × 512, or 1024 × 1024. Therefore, the resolution of the CT image is related to the field of view and the size of the matrix. 5 mm2. 3 mm2 by reducing the field of view to 15 × 15 cm2.

The proximal segment of the right coronary artery (RCA) is visualized in a cranial view (a). The mid-segment of the right coronary artery (b) is visualized in a view from the right side in which a marginal branch is clearly shown (arrowhead). The distal segment of the right coronary artery is visualized in a right caudal view (c). The left anterior descending (LAD) is visualized in a left anterior view (d) and in cranial left view (e) where the first diagonal branch is visualized (arrowhead). The left circumflex artery (CX) is visualized in left cranial view (f) and in a left view (g) where several marginal branches are clearly displayed (arrowhead).

Thus, a surface of the walls of the colon is created with the point of view of the observer positioned inside the colon. 13). 14) of the arteries. The very dense contrast material inside the vessel is made transparent and the walls of the vessels are made opaque. 8 Volume rendering: opacity. The opacity (or transparency) is assigned to a voxel in order to allow the observer to see through it or to make it completely opaque. In the figure a volume of data is displayed with increasing opacity level from left to right.

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