Table 1. Representative effective doses of common cardiological examinations.
| Examination | Representative effectivedose value (mSv) | Multiples of chest X-ray(PA projection) | Ref. |
| Chest X-ray PA | 0.02 | 1 | 14,15 |
| Chest CT | 8 | 400 | 14,15 |
| Abdomen CT | 10 | 500 | 14,15 |
| 64-Slice coronary CTA without tube current modulation | 15 | 750 | 16 |
| 64-Slice coronary CTA with tube current modulation | 9 | 450 | 16 |
| Diagnostic invasive coronary angiogram | 7 | 350 | 16 |
| Abdominal angiography or aortography | 12 | 600 | 16 |
| Percutaneous coronary intervention | 15 | 750 | 16 |
| Radiofrequency ablation | 15 | 750 | 16 |
| Sestamibi (1-day) stress-test MPS | 9 | 450 | 16 |
| Thallium stress-rest MPS | 41 | 2050 | 16 |
| F-18 FDG | 14 | 700 | 16 |
| Cardiac ventriculography (99mTc-labeled red blood cells) | 7.8 | 390 | 17 |
| Lung perfusion (99mTc-MAA) | 2 | 100 | 17 |
| Gallium-67 citrate | 15 | 750 | 17 |
PA: postero-anterior. CT: computed tomography. CTA: coronary computed tomography angiography. MPS: myocardial perfusion scan. FDG: fluorodeoxyglucose. MAA: macroaggregated albumin.