329 results found
Medical tests
… baby has the enzyme needed to use phenylalanine in their body. Phenylalanine is an amino acid that is needed for … each parent. The blood sample for PKU is usually taken from your baby's heel (called a heel stick). The test is done in … to use phenylalanine in their body. If this test shows that your baby has a phenylalanine problem, the doctor will do …
Medical tests
… The thyroid gland makes hormones that regulate the way the body uses energy. The thyroid 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 …
Medical tests
… Test Overview A ketone test checks for ketones in your blood or urine. Ketones are substances that are made when the body breaks down fat for energy. Normally, your body gets the energy it needs from carbohydrate in your …
Medical tests
… or germ, that causes gonorrhea . Testing is done on body fluid or urine samples. Gonorrhea is a sexually … for at least 3 days after you finish treatment. footnote 1 Your sex partner or partners must also be treated for … back to you or to others. If you have gonorrhea, all of your sex partners from the last 60 days should be tested and …
Medical tests
… Test Overview A cardiac blood pool scan shows how well your heart is pumping blood to the rest of your body. During this test, a small amount of a radioactive …
Medical tests
… the blood can spread the bacteria to any part of the body. A blood infection most often occurs with other serious … 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. …
Medical tests
… 24 hours. Uric acid is made from the natural breakdown of your body's cells. It's also made from the foods you eat. Your kidneys take uric acid out of your blood and put it …
Medical tests
… (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel … organs, such as the brain, heart, and kidneys. This helps your body prepare for "fight-or-flight" reactions. Your body …
Medical tests
… of the waste product creatinine (say "kree-AT-uh-neen") in your blood and urine. These tests tell how well your kidneys are working. Another substance, creatine (say … take creatinine out of your blood and pass it out of your body in urine. If your kidneys are damaged and can't work as …
Medical tests
… the brain, and the adrenal glands . Catecholamines help the body respond to stress or fright and prepare the body for … test. Do not use tobacco for 4 hours before the blood test. Your doctor may ask you to stop certain medicines, such as … Be sure to keep warm, because being cold can also increase your levels. Ask for a blanket if you feel cold. How It Is …
