CT angiography/venography may be requested for any part of the body that
contains visible vascular structures.
Will it be painful?
No, there is no pain. CT scanning is a simple, safe method to “see inside your
body”. During the injection of intravenous contrast material, there may be a sensation of flushing or warmth or a metallic taste in the mouth. These sensations are brief, lasting one to two minutes and gradually resolve. Should there be more intense pain at the site of injection, leakage of the dye may have occurred. You should indicate your discomfort to the technologist immediately.
How long will it take?
The exam will take between 15 and 30 minutes from the time you lie on the CT
table.
When may I eat?
As soon as the exam is over.
How will I learn the results?
Your physician will discuss the results with you.
Special note:
If you have asthma, any known allergy to food or medications, or are pregnant, please inform the technologist before your exam. Special preparation with medication may be necessary. Patients taking Glucophage(Metformin), Avandamet, Actoplus Met, Janumet, PrandiMet, Glipizide require a laboratory blood test and special preparation instructions beginning 48 hours prior to the examination.
Preparation:
Do not eat solid food for three hours prior to the exam. You may drink clear
liquids during this time. Routine medications may also be taken unless these include
significant amount of calcium. No oral contrast agents will be used prior to CT
angiographic procedures.
