329 results found
Medical tests
… A kidney stone (renal calculus) forms in the kidney from substances that would normally pass out of the body in the urine. When there are large amounts of these substances, they separate from the urine and form kidney … through a ureter or the urethra may be painless or it may cause severe pain. A kidney stone may cause other symptoms, …
Medical tests
… to change galactose into glucose, a sugar that your body uses for energy. A person with galactosemia doesn't have one … urine. When galactose builds up in a baby's blood, it can cause liver damage, problems with eating, and intellectual disabilities. The damage caused by galactosemia can begin within weeks after the baby …
Medical tests
… Overview Hemochromatosis gene (HFE) testing is a blood test used to check for hereditary hemochromatosis, an inherited disorder that causes the body to absorb too much iron. The iron then builds … other organs. In its early stages, hemochromatosis can cause joint and belly pain, weakness, lack of energy, and …
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 …
