By Arthur E. Stillman, Richard D. White, Paul Schoenhagen MD FAHA, Carl J. Schultz MD, Sandra S. Halliburton
Based on advances in scanner and software program expertise, cardiovascular imaging with multidetector computed tomography (MDCT) is constructing into an enormous medical diagnostic device for cardiac disease.
Combining the in-depth insurance of a textual content with the diagnostic application of a guide, this awesome consultant presents an easy advent to the rules of MDCT for cardiovascular functions from the viewpoint of the CT technologist in addition to the clinician.
Detailed and crucial studying, Cardiac CT Made Easy:
- contains plenty of chosen pictures
- focuses on scientific manifestations of disorder, diagnostic standards and techniques for administration
- reviews significant anti-arrhythmic medications and new brokers entering use
- discusses medical purposes compared to different imaging modalities, hence clarifying the strengths and the restrictions of CT within the evaluate of particular scientific problems
- explores present common purposes reminiscent of imaging of the aorta, in addition to rising components together with coronary artery imaging.
Practical and entirely brand new, this is often a major publication for cardiovascular clinicians and technologists utilizing CT imaging expertise, cardiac experts and nurses, and imaging physicists.
Read or Download Cardiac CT Made Easy: An Introduction to Cardiovascular Multidetector Computed Tomography PDF
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Additional resources for Cardiac CT Made Easy: An Introduction to Cardiovascular Multidetector Computed Tomography
Another important limitation of CTA is related to coronary arterial calcification. The ‘blooming’ (or ‘volume average’) effect of coronary calcification can result in potential false-positive detection or overestimation of luminal stenosis, and can cause difficulties in assessing adjacent non-calcified plaque structures116 (Figure 32). Advances in scanner technology are expected to reduce this artifact (Figures 29–31). qxp 11/8/2006 8:49 PM Page 27 CLINICAL CARDIOVASCULAR APPLICATIONS 27 Figure 32 Moderate luminal stenosis with dense calcification Angiographic images from a patient with moderate, calcified disease of the LAD (arrows).
There is associated focal tubular deformity of the basal segments of the left ventricle. On fourdimensional reconstruction, these areas demonstrate evidence of constriction with normal motion of the mid- to distal myocardial segments. Figure 78 Pericardial enhancement Contrast enhancement of the pericardial layers, consistent with a clinical history of pericarditis. qxp 11/8/2006 8:49 PM Page 53 CLINICAL CARDIOVASCULAR APPLICATIONS 53 fluid (Figure 79). Findings consistent with tamponade are right ventricular collapse or indirect signs including enlargement of the hepatic veins (Figure 80).
Qxp 11/8/2006 8:49 PM Page 27 CLINICAL CARDIOVASCULAR APPLICATIONS 27 Figure 32 Moderate luminal stenosis with dense calcification Angiographic images from a patient with moderate, calcified disease of the LAD (arrows). Significant calcified atherosclerotic plaque accumulation does not allow reliable assessment with CT (right panels). angiography116,117,122,123. Sensitivities ranging from 75 to 85% and specificities from 76 to 99% were reported for the assessment of coronary stenosis > 50%. Studies using 16-slice systems, and most recently 64-slice scanners, report improved visualization with a lower percentage of poorly assessable segments and higher sensitivity and specificity124–127 (Case 3: Figures 33–35; Case 4: Figures 36–39).