From: Impact of iodine concentration and scan parameters on image quality, contrast enhancement and radiation dose in thoracic CT
Iodine densities (mg I/mL → HU)
CM volume (350 mg I/mL)
Mixing ratio (CM: Saline solution)
0 → 0
0 mL
0:1
2.1 → 50
0.6 mL
1:165
4.2 → 100
1.2 mL
1:82
8.4 → 200
2.4 mL
1:41
12.6 → 300
3.6 mL
1:27
18.2 → 400
5.2 mL
1:18
26.6 → 600
7.6 mL
1:12