Abstract
Calcium, when present in coronary arteries, is located in atherosclerotic plaque. 1–3 The presence of radiographically detectable calcium often correlates with the presence of angiographically significant coronary artery disease, particularly in younger populations. 3 The sensitivity and specificity of coronary artery calcium have been compared with coronary arteriography as the gold standard for definition of coronary artery stenosis. Fluoroscopic radiographic imaging methods have been previously used to detect coronary artery calcium. In addition, conventional computed tomography (CT) has been used to identify it, 4,5 and we have utilized ultrafast CT to detect its presence during routine clinical studies. 6 This study was performed to determine the potential clinical utility of ultrafast computed tomography detection of coronary artery calcium as a noninvasive screening tool for the prediction of angiographically significant coronary artery disease.
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