The Siemens Somatom Definition CT scanner is a dual-source CT scanner that provides fast scanning, valuable in trauma, pediatric, and cardiac scans. This particular whole-body CT scanner optimizes scan time and dose efficiency, allowing for successful imaging on a variety of patients. The Somatom Definition is unrivalled when it comes to scanning speed with its combination of two sources, a high table feed, ultra-fast data transmission, and a gantry that can perform a full rotation in .28 seconds.