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Usefulness of electron beam computed tomography scanning for distinguishing ischemic from nonischemic cardiomyopathy

^a Department of Medicine, Division of Cardiology, Harbor-UCLA Medical Center, Torrance, California, USA

View larger version (113K): [in a new window]   Figure 1 Electron beam CT coronary scan of a 48-year-old man with IC with three-vessel obstructive CAD on catheterization. Extensive calcifications of the left main, left anterior descending (LAD) and circumflex artery are seen. The total score of this patient was 1,295.

View larger version (24K): [in a new window]   Figure 2 Mean EBCT scores for patients with differing disease states as defined by angiography. Those patients with non-ischemic cardiomyopathy (no CAD or <50% by angiography) had the lowest EBCT calcium scores. The EBCT scores generally track with the amount of angiographic disease, with the highest scores in those patients with three-vessel disease by angiography.