329 results found
Medical tests
… different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check for gaps or defects in your field of vision, and evaluate your ability to see different colours. Others may check how …
Medical tests
… tracer liquid is put into a vein (intravenous, or IV ) in your arm. The tracer moves through your body, where much of it collects in the specific organ … (PET)—HowToPrepare Before you have a PET scan, tell your doctor if: You have diabetes. If you take medicine to …
Medical tests
… kit contains specially treated test strips.You hold them in your urine stream or dip them in a sample of your urine. The strips check for nitrites and leukocytes … serious problem. If you use a home test kit, make sure that your doctor knows about any abnormal test results. And if …
Medical tests
… exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid test. These activities … 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
… of the way cortisol levels vary throughout a day. If your doctor thinks you might make too much cortisol, the test will probably be done late in the day. If your doctor thinks you may not be making enough, a test 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
… Test Overview Neuropsychological testing can help your doctor find out how a problem with your brain is affecting your ability to reason, concentrate, solve problems, or …
Medical tests
… women for gestational diabetes. How To Prepare Tell your doctor about all the prescription and non-prescription … smoke, or do strenuous exercise for at least 8 hours before your first blood sample is taken. (You can drink water … blood sample is taken when you arrive for the test. This is your fasting blood glucose value. It will be compared to …
Medical tests
… the cause of low blood sugar (hypoglycemia). How To Prepare Your doctor will give you instructions about eating and … used to treat type 2 diabetes can change the test results. Your doctor may ask you to stop these medicines before your blood test. How It Is Done A health professional uses a …
Medical tests
… by detecting human chorionic gonadotropin (hCG) in your urine. How To Prepare Equipment You can buy home … in urine. Midstream kits have a test strip that you hold in your stream of urine for several seconds. All kits tell you … pregnant (negative results), repeat the test in 1 week if your menstrual period has not started, or have a pregnancy …
