Will I need to do anything to prepare for the test?You may be asked to stop taking certain medicines for at least two weeks before you get tested.These include:High blood pressure medicinesHeart medicinesHormones, such as estrogen or progesteroneDiuretics (water pills)Antacid and ulcer medicinesYou may also be asked to avoid very salty foods for about two weeks before your test. These include chips, pretzels, canned soup, soy sauce, and bacon. Be sure to ask your health care provider if you need to make any changes to your medications and/or diet.
