329 results found
Medical tests
… body manage stress. Cortisol levels can be affected by many things, such as physical or emotional stress, strenuous … in the evening and during the early phase of sleep. But if you sleep during the day and are up at night, this pattern may be reversed. If you do not have this daily change in cortisol levels, you may have …
Medical tests
… blood of a pregnant woman can help see whether the baby may have such problems as spina bifida and anencephaly . An AFP … Screening tests are used to see what the chance is that your baby has a certain birth defect. If a screening test is … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… ABO and Rh tests. ABO test The ABO test shows that people have one of four blood types: A, B, AB, or O. If your red blood cells have: The A antigen. You have type A … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… with the results of a D-xylose test. For this reason, your doctor may instruct you to temporarily stop these … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Urine test There is no pain while … you drink enough fluids to replace lost liquids after you have completed the test. Drinking the D-xylose preparation …
Medical tests
… hCG goes up early in pregnancy can give information about your pregnancy and the health of your baby. Soon after … tumours.) HCG levels are often tested in a woman who may have tissue that is not normal growing in her uterus. The … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Urine test In most cases, there is no …
Medical tests
… treating the infection. This is called sensitivity testing. You may be asked to cough to provide the sputum sample. Some … take them with only a sip of water. Tell your doctor if you have recently taken antibiotics. How It Is Done In most … this test. Results Some types of bacteria or fungi grow quickly in a culture. Others grow slowly. Test results may …
Medical tests
… kidneys are working, the blood pH , the amount of potassium you eat, the hormone levels in your body, severe vomiting, … is working. Check people with high blood pressure who may have a problem with their kidneys or adrenal glands. Check … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… the point of care (POC) to screen for HIV antibodies. If you have a positive test result, contact your sex partners to … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… (called antigens ) on the surface of red blood cells . If you get a blood transfusion, the transfused blood must match your type. That means the transfused blood must have the same antigens as your red blood cells. If you get a … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… ENG checks how well the eyes, inner ears , and brain help you keep your balance and position (such as when you change … lenses, or hearing aids, bring them to the test. If you have a neck or back problem, tell your doctor, so your neck … or back problem to get worse during the test because of the quick body movements that are done. Results Normal Test …