Examination | Effective dose (mSv) | Equivalent n. of chest x-rays |
---|---|---|
CONVENTIONAL RADIOLOGY | Â | Â |
   ♣ Chest x ray (single postero-anterior) | 0.02 | 1 |
NUCLEAR MEDICINE | Â | Â |
   ♣ Tc-99 m tetrafosmin cardiac rest-stress (10 mCi+30 mCi)* | 10.6 | 530 |
   ♣ Tc-99 m sestamibi cardiac 1-day rest-stress (10 mCi+30 mCi)* | 12 | 600 |
   ♣ Tc-99 m sestamibi cardiac 2-day stress-rest (30 mCi+30 mCi)* | 17.5 | 775 |
   ♣ Tl-201 cardiac stress and reinjection (3.0 mCi+1.0 mCi)* | 25 | 1500 |
   ♣ Dual isotope cardiac (3.0 mCi Tl201 + 30 mCi Tc-99 m)* | 27 | 1600 |
64-Slice CARDIAC COMPUTED TOMOGRAPHY | Â | Â |
   ♣ ECG pulsing, no aorta** | 9 | 450 |
   ♣ No ECG pulsing, yes aorta** | 29 | 1450 |
INTERVENTIONAL RADIOLOGY | Â | Â |
   ♣ Conventional rhythm device*** | 1.4 | 70 |
   ♣ Cardiac resynchronization device*** | 5.5 | 275 |
   ♣ Cerebral angiography *** | 1.6–10.6 | 80–530 |
   ♣ Coronary angiography *** | 3.1–10.6 | 155–555 |
   ♣ Abdomen angiography *** | 6–23 | 300–1150 |
   ♣ Peripheral angiography*** | 2.7–14 | 135–700 |
   ♣ Coronary angioplasty *** | 6.8–28.9 | 340–1445 |
   ♣ Peripheral angioplasty*** | 10–12 | 500–600 |
   ♣ Radiofrequency ablation*** | 17–25 | 850–1250 |
   ♣ Valvuloplasty*** | 29 | 1450 |