what is the name of the dye they use in ct scans
Intravenous dye may be used in some imaging procedures (e.g., CT scan, MRI scan). Contrast dye is not used in all cases.Although rare, some patients suffer allergic reactions to the dye and newer contrast agents are quite expensive.he primary risk of a CT scan is radiation. If intravenous contrast is used, there is a risk for allergic reaction as well. Overall, the risks of CT are small.