Table 1.
Selection of exposure settings for computed tomography coronary angiography.
| Body mass index (kg/m2) | Group 1 (QDS+) |
Group 2 (AIDR) |
Group 3 (AIDR3D and SUREexposure) |
|||
|---|---|---|---|---|---|---|
| Tube voltage (kV) | Tube current (mA) | Tube voltage (kV) | Tube current (mA) | Tube voltage (kV) | Tube current (mA) | |
| <20 | 100 | 400 to 450 | 100 | 320 to 360 | 100 | Automatic selection based on scout image attenuation |
| 20–26 | 450 to 580 | 360 to 460 | ||||
| 27–30 | 120 | 510 to 530 | 120 | 410 to 420 | 120 | |
| 31–38 | 560 to 570 | 450 to 460 | ||||
| 39–40 | 135 | 480 to 500 | 480 to 500 | |||
| >40 | 500 | 135 | 500 | |||