Coronary artery calcium quantification with retrospectively gated helical CT: protocols and techniques.

Carr JJ, Danitschek JA, Goff DC, Crouse JR, D'Agostino R, Chen MY, Burke GL
Int J Cardiovasc Imaging. 2001 17 (3): 213-20

PMID: 11587455

Current generation Helical Computed Tomography, when coupled with cardiac gating can be used to measure coronary vascular calcium. In this article we review the development of retrospectively gated helical computed tomography on a single slice HCT system and its relation to electron beam CT. The impact of heart rate on selection of helical pitch for the creation of a diastolic image set is detailed, as well as, scanning and post-processing techniques are discussed. The development and initial experience of cardiac gating with multidetector CT systems is presented.

MeSH Terms (8)

Calcium Coronary Artery Disease Coronary Vessels Diastole Heart Rate Humans Image Processing, Computer-Assisted Tomography, X-Ray Computed

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