329 results found
Medical tests
… test that can check for problem areas in certain tissues in your body. A radioactive tracer (tracer) called gallium … milk after the test. Many doctors suggest waiting 4 weeks before you give your breast milk to your baby. This is … your breast milk after the test, stop breastfeeding 2 weeks before the test. The radioactive tracer will not build up in …
Medical tests
… cause of urinary problems. Look at the size of the bladder before and after urination. This can determine whether the … To Prepare Wear loose clothes for the pelvic ultrasound. You may need to remove all your clothes below the waist and put on a gown before the test. If a man is also having a biopsy of the …
Medical tests
… Anoscopy, proctoscopy, and sigmoidoscopy tests allow your doctor to look at the inner lining of your anus, your … have to use an enema or laxative to empty the colon before the test is done. The proctoscope allows your doctor … to use an enema or laxative (or both) to empty the colon before the test is done. The flexible sigmoidoscope has a …
Medical tests
… measures catecholamine levels over 24 hours. How To Prepare You may be asked to avoid certain foods and fluids for 2 to 3 days before having this test, such as: Caffeine, such as coffee, … You may be asked to not eat or drink anything for 10 hours before this test. Do not use tobacco for 4 hours before the …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … time of a routine blood test. You don't need to do anything before having routine blood tests. If you are having … a normal amount of sodium (2,300 mg per day) for 2 weeks before the test. Do not eat foods that are very salty, such …
Medical tests
… the development of a fetus . The production of CEA stops before birth, and it usually is not present in the blood of … antigen (CEA) test is used to monitor a person before and during treatment. Along with other tests, this … or come back. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… test In an exercise challenge test, spirometry is done before and after you exercise on a treadmill or an exercise bicycle. … how much and how quickly you can breathe air in and out before and after taking medicine. Spirometry may be done …
Medical tests
… test is not usually used to find testicular cancer . If your doctor thinks you may have cancer, you will probably … blood clots, your doctor may tell you to stop taking it before your test. Or your doctor may tell you to keep taking … doctor will tell you if you should stop taking any of them before the test and how soon to do it. If the biopsy is done …
Medical tests
… glands then make a hormone called cortisol, which helps your body manage stress. Cortisol is needed for life, so its … You may not be able to eat or drink for 10 to 12 hours before an ACTH test. Your doctor may ask you to eat low-carbohydrate foods for 48 hours before the test. Be sure to ask your doctor if there are any …
Medical tests
… the blood (such as electrolytes ). A chemistry screen tells your doctor about your general health, helps look for … health condition and check how well a treatment is working. Before you have surgery. How To Prepare How you prepare for … not to eat or drink anything except water for 9 to 12 hours before having your blood drawn. This is called a "fasting …
