How To Prepare
Tell your doctor if you:
- Are allergic to the iodine dye used in the
contrast material or any other substance that contains
- Are allergic to any substances that might be used during the procedure, such as latex or talc.
- Are allergic to any medicines.
- Take any medicines, vitamins, supplements, and herbal remedies. Some of these can increase your risk of bleeding. Some medicines can cause other problems during the test. Your doctor will tell you which medicines to stop before your test and which medicines you can take safely. Medicines to mention include:
- Blood-thinning medicine, such as warfarin, clopidogrel (Plavix), or aspirin.
- Erection-enhancing medicines, such as sildenafil (Viagra), tadalafil
(Cialis), or vardenafil (Levitra).
- Are or might be
asthma or have ever had a serious allergic reaction
(anaphylaxis) from any substance, such as the venom
from a bee sting.
- Have any bleeding problems.
kidney disease. The contrast material used during
cardiac catheterization can cause kidney damage in people who have poor kidney
function. If you have a history of kidney problems, blood tests (creatinine,
blood urea nitrogen) may be done before and after the test to
confirm that your kidneys are functioning properly.
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?).
Arrange for someone to take you home
after the test. You may not have to stay in the hospital overnight.
Do not eat or drink (except for a small amount of water) for 6 to 12
hours before the test.
Take your medicines as directed by your doctor. You might stop taking certain medicines before your test and start taking them again after your test.
Before the test,
remove any necklaces, bracelets, rings, or other jewelry. You should also
remove nail polish from your fingernails and toenails.
Be sure to
empty your bladder completely just before the test.
Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
George Philippides, MD - Cardiology
July 20, 2011
©1995-2012, Healthwise, Incorporated, P.O. Box 1989, Boise, ID 83701.
ALL RIGHTS RESERVED
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
For more information,
How this information was developed.