Table 5.
Radiograph | Tube potential (kV) | Exposure time (ms) | Focal spot size (mm) | Speed index |
Skull AP/PA & LAT | 70-85 | <100 | 0.6 | 400 |
Chest PA | 125 | <20 | ≤1.3 | 400 |
Chest LAT | 125 | <40 | ≤1.3 | 400 |
Lumbar spine AP/PA | 75-90 | <400 | ≤1.3 | 400 |
Lumbar spine LAT | 80-95 | <1000 | ≤1.3 | 400 |
Lumbar spine LSJ | 80-100 | <1000 | ≤1.3 | 800 |
Pelvis AP | 75-90 | <400 | ≤1.3 | 400 |