329 results found
Medical tests
… monoxide (CO) into the blood. Two different methods are used for this test. Single-breath or breath-holding method: … tests are done to measure how your airways respond to substances that may be causing asthma or wheezing. These … During the test, you inhale increasing amounts of a substance through a nebulizer. This is a device that uses a …
Medical tests
… checks your levels of protein, sugar, blood cells, or other substances in your urine. A urine test may be done to help find the cause of symptoms. The test can give information about your … take out waste material, minerals, fluids, and other substances from the blood to be passed in the urine. Urine …
Medical tests
… blood varies throughout her menstrual cycle . After menopause , it drops to a very low but constant level. Estriol … 15 and 22 weeks of pregnancy. It checks the levels of four substances in a pregnant woman's blood. They are the hormone … (unconjugated estriol, or uE3). The levels of these substances—along with a woman's age and other factors—help …
Medical tests
… against sperm in blood, vaginal fluids, or semen. The test uses a sample of sperm and adds a substance that binds only to affected sperm. Semen can cause … or semen. The test uses a sample of sperm and adds a substance that binds only to affected sperm. Semen can cause …
Medical tests
… Positron emission tomography (PET) is a test that uses a special type of camera and a tracer (radioactive substance) to look at organs in the body. The tracer usually is a special form of a substance (such as glucose) that collects in cells that are …
Medical tests
… having a lipase test. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. … the liver and keeps it from working the way it should. Substance use disorder . Medical Tests: … the liver and keeps it from working the way it should. Substance use disorder . Medical Tests: …
Medical tests
… Test Overview A rapid sputum tests is used to diagnose tuberculosis (TB) when other tests show … can cause an infection. A sample of sputum is added to a substance that promotes the growth of bacteria. If no … can cause an infection. A sample of sputum is added to a substance that promotes the growth of bacteria. If no …
Medical tests
… found commonly in Sjögren's syndrome . But these tests are useful in helping women with lupus who are considering … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of …
Medical tests
… challenge and inhalation challenge tests are sometimes used to diagnose asthma and workplace asthma (occupational … test is rarely needed to diagnose asthma. But it may be used to: See whether the tubes that carry air to the lungs … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …
Medical tests
… fetus ) in the uterus . Amniotic fluid has cells and other substances that can give clues about the health of your … weeks 15 and 20 to look at the baby's genes. It can also be used later in pregnancy. Amniocentesis for genetic testing … also tell the sex of your fetus. The amounts of some substances in the amniotic fluid may be measured. These …
