From: Three-dimensional drip infusion CT cholangiography in patients with suspected obstructive biliary disease: a retrospective analysis of feasibility and adverse reaction to contrast material.
Serum bilirubin
Infusion time
<20 μmol/ml
40–60 min
21–40 μmol/ml
1–3 hours
41–99 μmol/ml
3–4 hours
>100 μmol/ml
5 hours