Exam | Representative effective dose value (mSv) | Range of reported effective dose values (mSv) |
Chest x-ray PA and lateral | 0.1 | 0.05 to 0.24 |
CT chest | 7 | 4 to 18 |
CT abdominal | 8 | 4 to 25 |
CT pelvis | 6 | 3 to 10 |
Coronary calcium CT* | 3 | 1 to 12 |
64-slice coronary CTA¶ | ||
Without tube current modulation | 15 | 12 to 18 |
With tube current modulation[2] | 9 | 8 to 18 |
Dual source coronary CTA¶ | ||
With tube current modulation | 13 | 6 to 17 |
Prospectively triggered coronary CTA¶[3] | 3 | 2 to 4 |
Diagnostic invasive coronary angiogram | 7 | 2 to 16 |
Percutaneous coronary intervention or radiofrequency ablation | 15 | 7 to 57 |
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