Estimated dose for patients without intervention
| Modality | Mean No. of Procedures/Case | mGy/Case | Total Dose |
|---|---|---|---|
| Angiography | 1.2 | 310 | 372.0 |
| Head CT | 2.9 | 46.4 | 134.6 |
| Portable CT | 4.0 | 120 | 480.0 |
| CTA | 1.5 | 46.4 | 69.6 |
| CT perfusion | 0.6 | 288.7 | 173.2 |
| Chest x-ray | 12.0 | Negligible | Negligible |
| Cumulative dose (mGy) | 1229.4 | ||
| Cumulative dose (Gy) | 1.2 |