Computed Tomography Angiogram (CT Angiogram)
How To Prepare
Before you have a CT angiogram, tell your
doctor if you:
- Are or might be pregnant.
breast-feeding. You will need to use formula (not your breast milk) for 1 to 2
days after the CT angiogram until the dye has passed from your body. Or you can
pump your breast milk and store it before the test and use that for a couple of
- Are allergic to any medicines, including iodine
- Have a heart condition, such as
diabetes or take metformin (such as Glucophage) to
control your diabetes.
- Have a history of kidney
- Have a history of
- Have had
- Have had an
X-ray test using barium contrast material (such as a
barium enema) or have taken a medicine that contains
bismuth (such as Pepto-Bismol) in the past 4 days. Barium and bismuth show up
on X-ray films and make it hard to see the picture clearly.
- Have a
pacemaker, a heart defibrillator, a neurostimulator, or an implanted or
externally worn drug infusion pump. These medical devices may not work well
during a CT scan.
- Become very nervous in small spaces. You will
have to lie still inside the CT scanner, so you may need a medicine (sedative)
to help you relax. If you are given a sedative, you may need to have someone
take you home after the test.
You may be asked not to eat or drink anything for several
hours before the test. Your doctor will let you know if there are certain foods
or liquids you should avoid.
Talk to your doctor about any concerns
you have regarding the need for the test, its risks, how it will be done, or
what the results will mean. To help you understand the importance of this test,
fill out the
medical test information form(What is a PDF document?).