Free
E-newsletter
Subscribe to Housecall
Our weekly general interest
e-newsletter keeps you up to date
on a wide variety of health topics.
close window
Mayo Clinic Housecall
Stay up to date on the latest health information.
What you get
- Free weekly e-newsletter
- Mayo Clinic expertise
- Recipes, tools and other helpful information
- We do not share your e-mail address
Proper Use
Your doctor may have special instructions for you in preparation for your test, such as the need for a special diet or for a laxative, enema, or vaginal douche, depending on the kind of test you are having done. If you have not received such instructions or if you do not understand them, check with your doctor in advance.
For your comfort and for the best test results, you may be instructed to urinate just before the procedure.
If you are on hemodialysis and treated with a gadolinium-containing contrast agent (GBCA), your doctor may perform hemodialysis immediately after you receive the contrast agent .
Find Mayo Clinic on