Table 1 The details of the CTA acquisition
Parameter | |
|---|---|
Nitroglycerin | Sublingual (0.1 mg per dose) |
Detector collimation (mm) | 96 × 2 × 0.6 |
Gantry rotation time (s/r) | 0.5 |
Tube voltage (kV) | 80 |
Tube current modulation | Automated tube current (CARE Dose 4D) |
Matrix | 512 × 512 |
Pitch | 0.35 |
Vision (mm2) | ≤ 170 |
Convolution reconstruction kernel | Br54 |
Iterative reconstruction | ADMIRE (strength 5) |
Slice thickness (mm) | 0.75 |
Slice increment (mm) | 0.3 |
Bolus-tracking monitoring section | The middle segment of the descending branch with a “manual” trigger mode |
Injection speed (ml/s) | 6–7.5 |
Contrast agent volume (ml) | 90–112.5 |