Fetal radiation exposure from: Radiographics 2009; Pahade J, et al. Imaging pregnant patients with suspected pulmonary embolism: what the radiologist needs to know. 29: 639-654
| Exam | Effective whole body dose (mSv) | Fetal dose (mGy) | Effective dose per breast (mGy; 10mGy=1 rad) |
| PA/Lateral CXR | 0.06-0.25 | 0.01 | |
| Low dose perfusion scintigraphy | 0.6-1.0 | 0.1-0.37 | 0.11-0.3 |
| V/Q scintigraphy | 1.2-6.8 | 0.1-0.8 | 0.22-0.28 |
| CTPA | 2-20 | 0.01-0.66 | 10-70 |
| Low dose CTPA | 2.7 | ||
| Pulmonary DSA | 3.2-30.1 | 0.5 | |
| Background radiation | 2.5 | 1.1-2.5 |