Subjects underwent coronary CT angiography with five different 64 or 128-channel multidetector CT (MDCT) scanners: a 64-channel dual-source CT scanner (SOMATOM Definition; Siemens Medical Solutions, Forchheim, Germany), a 128-channel dual-source CT scanner (SOMATOM Definition Flash; Siemens Medical Solutions), two 64-channel MDCT scanners (Brilliance 64, Philips Medical Systems, Best, the Netherlands; GE LightSpeed VCTXT, General Electric Medical Systems, Milwaukee, WI, USA), and a 128-channel MDCT scanner (SOMATOM Definition AS Plus; Siemens Medical Solutions). Each institute followed a standardized protocol for the CT examination: craniocaudal direction; retrospective gating; bolus tracking in the descending aorta with a 100 Hounsfield units (HU) trigger and 8 second delay; tube voltage, 120 kVp; tube current-time product, adjustable; detector configuration, 64 x 0.6–0.625 mm, 32 x 0.6 or 64 x 0.6 mm in scanners; table speed, 0.2 pitch; gantry rotation time, 0.28–0.42 msec; matrix, 512 x 512; reconstruction slice thickness, 1 mm; reconstruction interval, 0.5–1 mm; and a standard algorithm reconstruction. Prospective sequential scanning was not allowed.
Ge lightspeed vctxt
Manufactured by GE Healthcare
Sourced in Netherlands, United States
The GE LightSpeed VCTXT is a computed tomography (CT) imaging system designed for use in medical facilities. It is capable of acquiring high-quality, high-resolution images of the body's internal structures. The system utilizes advanced technology to provide rapid scanning capabilities and optimize image quality.
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Lab products found in correlation
2 protocols using ge lightspeed vctxt
1
Coronary CT Angiography with Multidetector CT
2
CT Chest Imaging Protocols: Standardized Acquisition
Check if the same lab product or an alternative is used in the 5 most similar protocols
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The CT chest images were available in the InteleViewer PACS system, using the search filter criteria “chest” and specified “CT” imaging modality. This search yielded various CT chest imaging protocols, including high resolution CT, pulmonary embolism, lung nodule, and thoracic aorta scans with and without the use of intravenous contrast. All CT chest studies were obtained with helical technique by using GE Discovery HD 750, GE Lightspeed VCTXT, and GE Revolution (GE Healthcare, Milwaukee, WI, USA) CT scanner. CT images were obtained with the following parameters: tube voltage, 100 kVp (for BMI < 30) and 120 kVp (for BMI > 30); tube rotation, 0.5–1.0 sec; tube current, 20 mA; reconstruction thickness, 1.25–2.5 mm.
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