Siemens Definition Dual-Source 128 Slice provides you with with the following Specification:
• Single-source
Functions as a conventional single-source 128-slice CT scanner for head or body imaging.
• Single-source 4D spiral
Patient is moved smoothly in and out of the gantry to provide 14-cm z-axis coverage for perfusion imaging
• Dual-source cardiac
Both sources operate at the same energy to provide high temporal resolution (85 msec)
•  Dual-source Flash
Both sources operating at the same energy at pitch values up to 3.4 and provide 85 msec temporal resolution
• Dual-source dual-energy
The two sources operate at different energies to characterize or classify materials
•  Dual-source obese The two sources operate at the same energy to maximize scanner output (2x100kW)