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Domenico Lumia1, Gianpaolo Carrafiello1, Domenico Laganà1, Andrea Musazzi2, Andrea Giorgianni1, Andrea Sala2, Carlo Fugazzola11Department of Radiology; 2Department of Cardiothoracic Surgery, University of Insubria, Varese, ItalyAbstract: Multidetector computed tomography has been shown to be accurate in noninvasive assessment of chest vascular disease. The motion artifacts of the thoracic aorta and the supraaortic vessels were significantly reduced in the electrocardiogram (ECG)-gated data acquisition. This positive effect of ECG synchronization is more pronounced in the region of the ascending aorta, aortic arch, and proximal descending aorta.Keywords: ECG-gated, MDCT 64-slice, chest vascular disease