329 results found
Medical tests
… may be asked to drink water right before the test so that your bladder is full. How It Is Done This test is done in an … may be asked to drink water right before the test so that your bladder is full. You may need to take off all or most of your clothes, depending on which part of the body is being …
Medical tests
… 24 hours. Uric acid is made from the natural breakdown of your body's cells. It's also made from the foods you eat. Your kidneys take uric acid out of your blood and put it into urine so that it can leave your …
Medical tests
… of the way cortisol levels vary throughout a day. If your doctor thinks you might make too much cortisol, the … affect cortisol levels for some time even after you stop taking the medicine. How It Is Done A health professional … affect cortisol levels for some time even after you stop taking the medicine. How It Is Done A health professional …
Medical tests
… test. Do not use tobacco for 4 hours before the blood test. Your doctor may ask you to stop certain medicines, such as … Be sure to keep warm, because being cold can also increase your levels. Ask for a blanket if you feel cold. How It Is … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done You will need to … X-ray pictures are needed for clear pictures of the face. Your head may need to be repositioned for each view. Hold your head completely still while the pictures are being …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done This test is done … waist. And you may drape a paper or cloth covering around your shoulders. Remove all jewellery from your head and around your neck. You will lie on your back on …
Medical tests
… These tests measure electrical activity that occurs in your eye when you look at something. Electrophysiology … problems of the retina. A full-field ERG can check how well your entire retina is working. A multifocal ERG (mfERG) … special to prepare for the tests. Follow any instructions your doctor gives you about what to do before your test. For …
Medical tests
… drawing blood will: Wrap an elastic band around your upper arm to stop the flow of blood. This makes the … the test or why the results may not be helpful include: Taking certain medicines. Medicines that affect the results … and cancer chemotherapy. Getting radiation therapy. Taking sulfonamide antibiotics (such as Septra). Being …
Medical tests
… may affect the results of this test. Be sure to tell your doctor about all the non-prescription and prescription … more than 2 to 3 cups of coffee a day over many years. Taking medicines, such as anticonvulsants, antibiotics, and … more than 2 to 3 cups of coffee a day over many years. Taking medicines, such as anticonvulsants, antibiotics, and …
Medical tests
… with the results of a D-xylose test. For this reason, your doctor may instruct you to temporarily stop these … drink a D-xylose solution. To begin the test, a sample of your first urine of the day and a sample of your blood are collected. Next you will drink a D-xylose …
