329 results found
Medical tests
… or child—with this disease. This test might be done if you have high iron levels in your blood. This test helps to … the need for the test, its risks, how it will be done, or what the results will mean. How It Is Done You might have a … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… Overview Tympanometry tests the movement of the eardrum when an ear infection or other middle ear problem is … sound. The results of this test are used to help figure out what is going on in the ear. Why It Is Done The results of … information helps doctors decide what kind of treatment your child may need. Results Normally the eardrum moves …
Medical tests
… checks for antibodies to the Toxoplasma gondii parasite . Your body's natural defence system ( immune system ) will … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … can no longer be found. Each lab has a different range for what's normal. Your lab report should show the range that …
Medical tests
… of ferritin in the blood shows how much iron is stored in your body. Why It Is Done A ferritin blood test is done to: … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … the site. Results Normal Each lab has a different range for what's normal. Your lab report should show the range that …
Medical tests
… by the adrenal glands . Aldosterone levels tell the kidneys when to hold sodium in the body instead of passing it in the … Small amounts of sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or as an … are ready in 1 day. Each lab has a different range for what's normal. Your lab report should show the range that …
Medical tests
… the level of calcium in the blood is carefully controlled. When blood calcium levels get low ( hypocalcemia ), the … of calcium in the body depends on the amount of: Calcium you get in your food. Calcium and vitamin D your intestines … the site. Results Normal Each lab has a different range for what's normal. Your lab report should show the range that …
Medical tests
… by the adrenal glands ( Cushing's syndrome ). Normally, when the pituitary gland makes less adrenocorticotropic … and uncontrolled diabetes. The night before the blood test, you will take a dexamethasone pill. The next morning, the … endocrinologist . Normal Each lab has a different range for what's normal. Your lab report should show the range that …
Medical tests
… used to check for thyroid gland problems. TSH is produced when the hypothalamus releases a substance called … (T3) and thyroxine (T4). T3 and T4 help control your body's metabolism . Triiodothyronine (T3) and thyroxine … at the site. Results Each lab has a different range for what's normal. Your lab report should show the range that …
Medical tests
… means a recent infection, a past infection, or that you have been vaccinated against the disease. Rubella (also … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … at the site. Results Each lab has a different range for what's normal. Your lab report should show the range that …
Medical tests
… is normally found in the blood and filtered by the kidneys. When the kidneys are working as they should, there may be a … At a random time. This is usually after the first time you urinate in the morning. Over a 24-hour period. Over a … this test. Results Each lab has a different range for what's normal. Your lab report should show the range that …
