An elderly patient is scheduled for a CT scan with and without contrast dye. Which of the following should be done prior to this CT scan?

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Prior to a CT scan with contrast dye, it is important to monitor renal function to ensure that the dye is safely eliminated from the body. This is particularly important in elderly patients who may have pre-existing kidney dysfunction. Assessing for level of responsiveness and vital signs may be important for other reasons, but they are not specifically related to the CT scan with contrast. Keeping the patient NPO is not necessary unless specifically ordered by the physician.

An Elderly Patient Is Scheduled for a CT Scan with and Without