329 results found
Medical tests
… you produce over a 24-hour period. You start collecting your urine in the morning. When you first get up, empty your bladder, but don't save this urine. Write down the time that you urinated to mark the start of your 24-hour collection period. For the next 24 hours, …
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
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … A low-salt diet can also increase aldosterone levels. Tell your doctor if you are on a low-salt food plan. Do not eat … the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect all your …
Medical tests
… from metabolism . The blood carries carbon dioxide to your lungs, where it is exhaled. More than 90% of it in your blood exists in the form of bicarbonate (HCO3). The … carbon dioxide gas (CO2) or carbonic acid (H2CO3). Your kidneys and lungs balance the levels of carbon dioxide, …
Medical tests
… the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect all your urine. Your doctor or lab will give you a large container to store …
Medical tests
… a dye called contrast material is injected into a vein in your arm. A series of X-ray pictures is then taken at timed … have an enema the morning of the test) to make sure that your bowels are empty. If you are breastfeeding, you may … The contrast material used in this test can get into your breast milk. Before the IVP, tell your doctor if: You …
Medical tests
… gland is a butterfly-shaped gland that lies in front of your windpipe (trachea), just below your voice box (larynx). The thyroid gland uses iodine from … How To Prepare If you are taking thyroid medicines, tell your doctor when you took your last dose. You may need to …
Medical tests
… in the body depends on the amount of: Calcium you get in your food. Calcium and vitamin D your intestines absorb. Phosphate in the body. Certain … true. It is important to get the right amount of calcium in your food because the body loses calcium every day. Foods …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The normal range is just a …
Medical tests
… for up to 4 weeks before having a progesterone test. Tell your doctor if you have had a test that used a radioactive … radioactive tracer can interfere with the test results. Let your doctor know the first day of your last menstrual period. If your bleeding pattern is …