Table 1 Fluoroscopic image acquisition protocols of the detector dose-driven exposure control
Parameter | Detector dose-driven exposure control | ||
|---|---|---|---|
Radiation dose level | Low dose | Normal dose | High dose |
Acceleration potential plateau (kV) | 81 | 73 | 70 |
Maximum pulse width (ms) | 12.5 | 12.5 | 12.5 |
Minimum Cu-Filter (mm) | 0.3 | 0.2 | 0.1 |
Maximum Cu-Filter (mm) | 0.9 | 0.6 | 0.3 |
Focal spot | Small | Small | Small |
Detector-dose (nGy/pulse) | 45 | 55 | 65 |
Exposure point reduction | 2 | 2 EP | 0 EP |
Maximum air kerma rate (mGy/min) | 160 | 160 | 160 |
Frame rate (frames/s) | 7.5 | 7.5 | 7.5 |