Table 1.
Parameter | Data |
---|---|
Scanner model | Somatom Flash |
Scan mode | Helical, dual source |
Detector configuration (mm) | 128 × 0.6* |
Beam width (mm) | 38.4 |
Pitch | 0.8 |
Rotation time (sec) | 0.33 |
Tube current modulation | CareDose4D (average setting) |
Quality reference effective milliampere second | Scan 1: tube A =150, tube B = 50; scan 2: tube A = 75, tube B = 25 |
Tube potential (kV) | 120 |
Section thickness (mm) | 5 |
Reconstruction algorithm | FBP, SAFIRE-5 |
Reconstruction kernel | B31f, I31f |
Note that the flying focal spot was used to achieve a 128-section configuration. The scanner has 64 physical detector rows.