329 results found
Medical tests
… and the amount of potassium you eat. The hormone levels in your body, severe vomiting, and taking certain medicines … diet has enough potassium for the body's needs. But if your levels get low, it can take some time for your body to … doctor will also look at your results based on your age, health, and other factors. A value that isn't in the normal …
Medical tests
… partly controls serum osmolality. Water constantly leaves your body as you breathe, sweat, and urinate. If you do not drink enough water, the concentration of chemicals in your blood (serum osmolality) increases. When serum … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… checks for antibodies to the Toxoplasma gondii parasite . Your body's natural defence system ( immune system ) will … The amount and type of antibodies you have shows whether your infection is recent or occurred in the past. More than … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… who have one autoimmune disease may get another one. Tell your doctor if you have any new or worse symptoms. These … This can show Hashimoto's thyroiditis. It also can help your doctor tell if mild hypothyroidism is likely to get … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, … 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
… test. How It Is Done If the sample is taken from a vein A health professional uses a needle to take a blood sample, … 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
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done The rapid mono test is done on a small sample of blood taken from your fingertip or from a vein. The Epstein-Barr antibody … test from a finger stick For a finger-stick sample, the health professional will puncture the skin on your middle or …
Medical tests
… as corticosteroids or chemotherapy ) that change how well your body can fight infections (immunity). For a blood … need to do anything at home to prepare for the test. Tell your health professional if you took antibiotics recently. How It …
Medical tests
… to look at blood flow in an unborn baby to check the baby's health. During Doppler ultrasound , a hand-held device is … 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 …
Medical tests
… an echogram, or a scan. They may be saved as part of your baby's record. Fetal ultrasound can be done two ways. … a small hand-held device called a transducer is moved over your belly. In a transvaginal ultrasound, a transducer is … Why It Is Done Fetal ultrasound is done to learn about the health of your fetus. Different details can be learned at …