Vanderbilt University



CT contrast template language

 

For persons with impaired kidney function and/or diabetes, there is a higher than normal risk of kidney injury or kidney failure after receiving the x-ray contrast for a CT scan. As with any patient having this procedure, your kidney function will be checked by routine lab work and your individual risk will be reviewed before the CT scan.  Your doctor will tell you if you should drink lots of water before and after the procedure to flush the dye from your kidneys.   If necessary, you may receive intravenous fluids during the procedure to help flush the kidneys. If you have an allergy to shellfish or iodine, be sure to notify the study doctor or staff to make sure you are able to receive this type of x-ray contrast.

 

If you are taking any medication for diabetes such as metformin (Glucophage), please discuss with your study doctor whether or not you need to stop taking them for 48 hours after the CT scan, or if additional blood testing is necessary.

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