Siemens Healthcare of Erlangen, Germany, has received an order for its Somatom Definition AS and AS+ CT systems from Chelsea and Westminster Hospital NHS Foundation Trust.
Siemens launched the Somatom Definition AS and AS+ in the U.K. in February. The systems are designed for diagnostic work and various examinations, including oncology, neurology, and cardiology.
Related Reading
Siemens installs first HD-PET system, March 24, 2008
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Siemens nets U.K. Artiste order, March 12, 2008
Siemens adds Definition applications, March 11, 2008
Siemens launches new DR unit at ECR show, March 9, 2008
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![Axial images from unenhanced calcium score cardiac CT (left) and curved planar reformation images from CT angiography (right) show that higher long-term exposure to air pollution is associated with greater coronary artery calcium and more obstructive coronary artery disease (CAD). Top row: Images in a 68-year-old male patient with higher 10-year mean ambient air pollution exposure (7.9 μg/m3 for particulate matter measuring ≤2.5 μm in diameter [PM2.5] and 17.4 parts per billion [ppb] for NO2) with extensive CAD (coronary artery calcium score [CACS] >1,000 and obstructive CAD [≥70% diameter stenosis]). Bottom row: Images in a 57-year-old female patient with lower 10-year mean ambient air pollution exposure (6.3 μg/m3 for PM2.5 and 4.6 ppb for NO2) with no CAD (CACS = 0 and no obstructive stenosis).](https://img.auntminnie.com/mindful/smg/workspaces/default/uploads/2026/06/hanneman.r6SMLzkezo.png?auto=format%2Ccompress&dpr=2&fit=crop&h=167&q=70&w=250)
