Scan mode | Dual scano | Volume scan (target CTA) | Bolus tracking | Volume scan (prospective CTA) |
Tube voltage (kV) | 120 | 120 | 120 | 120 |
Tube current (mA) | 10 | 90 | 20 | 450 |
Scan length (mm) | 400 | 128 | 2 | 128 |
Slice No* | 9 - 24 | 16 - 21 | 16 | 16 - 21 |
Field of view | 320 (M) | 320 (M) | 320 (M) | |
Scan time (sec) | 2.55 | |||
Active time (sec) | 0.275 | |||
Cardiac phase (%) | 75 | 70 - 80 | ||
Beat | 1 | 1 | ||
CTDIvol (mGy) | 2.2 | 13.4 | 11.5 | |
DLP (mGy∙cm) | 29.6 | 2.7 | 151.2 |