CT: HEAD.
NO EATING 3 TO 4 HOURS
BEFORE EXAM
If procedure is with contrast and you are on Glucophage, do not take medication 24 hours before exam and consult your physician after exam for a blood test.
Please give creatinin/bun levels before exam.
If you are to receive an I.V. CT Contrast, please inform us of any known allergies, including seafood allergies. Patients with known allergies can be prescribed medication in advance to prevent any allergic reactions.