329 results found
Medical tests
… at under a microscope for cancer, infection, or other bone disorders. The sample of bone can be removed by: Inserting a … needle biopsy ). A numbing medicine ( local anesthetic ) is used to prevent pain during this procedure. Intravenous (IV) … An open bone biopsy allows your doctor to do surgical treatment at the same time, if needed. How To Prepare Before …
Medical tests
… Test Overview A home lung function test uses a peak flow meter or a home spirometer to monitor and … long-term (chronic) lung disease, such as asthma. Guide the treatment and monitor the effectiveness of treatment for … Monitor your lung function if you are regularly exposed to substances at work that can damage your lungs (occupational …
Medical tests
… for growth. It plays an important role in how the body uses food for energy ( metabolism ). The amount of GH in the … acromegaly ). Growth hormone can cause the release of other substances (factors) that affect growth and metabolism. One … adult has too much GH (acromegaly) or too little GH. Check treatment that uses growth hormone. How To Prepare In …
Medical tests
… It can find changes in your genes or chromosomes that may cause a genetic illness. The results may tell you about your … . Check for genetic changes that may affect your treatment for an existing disease. Find out if you have … with your partner or other family members. Your treatment choices . If you test positive for a …
Medical tests
… during pregnancy. The level of inhibin A in the blood is used in a maternal serum quadruple screening test. Generally … 15 and 22 weeks, this test checks the levels of four substances in a pregnant woman's blood. The quad screen … or uE3), and the hormone inhibin A. The levels of these substances—along with a woman's age and other factors—help …
Medical tests
… to find germs (such as bacteria or a fungus) that can cause an infection. A sample of stool is added to a substance that promotes the growth of germs. If no germs … who handles food is likely to infect others. Find out if treatment for an infection has worked as it should. How To …
Medical tests
… Test Overview A radioactive iodine uptake (RAIU) test uses a radioactive tracer and a special probe to measure how … of an overactive thyroid gland (hyperthyroidism). Plan treatment for hyperthyroidism. Plan treatment for patients … had a serious allergic reaction ( anaphylaxis ) from any substance, such as the venom from a bee sting or from eating …
Medical tests
… are in a woman who is not pregnant. Some types of cancer cause abnormal progesterone levels in men and women. Why It Is … the success of medicines for infertility or the effect of treatment with progesterone. Help determine whether … your doctor if you have had a test that used a radioactive substance (tracer) within the last 7 days. Recent tests such …
Medical tests
… pictures of the tracer as it moves along. Your doctor can use these pictures to look for leaks, blockages, or any … to any more radiation while the scan is being done. A substance that stimulates the gallbladder may also be put … is working. You may be asked about your reaction to the substance used to stimulate the gallbladder. Sometimes …
Medical tests
… Why It Is Done A ferritin blood test is done to: Find the cause of anemia , especially iron deficiency anemia. See if … iron ( hemochromatosis ) is present. Check to see if iron treatment to raise or lower the iron level is working. How … hemochromatosis). Some diseases, including alcohol use disorder , thalassemia , and some types of anemia that cause …
