329 results found
Medical tests
… Allergy Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … response in a person. Skin tests are usually done because they are rapid, reliable, and generally less expensive than blood tests, but either type of test may be used. Skin tests A small amount of a suspected allergen is …
Medical tests
… Challenge Tests for Asthma On this page: Overview Overview Exercise 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 …
Medical tests
… Phenylketonuria (PKU) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … to check whether a newborn baby has the enzyme needed to use phenylalanine in their body. Phenylalanine is an amino … phenylalanine level builds up in the baby's blood and can cause brain damage, seizures, and intellectual disability . …
Medical tests
… Urine Culture On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … to find germs (such as bacteria) in the urine that can cause an infection. Bacteria can enter through the urethra and cause a urinary tract infection (UTI) . A sample of urine is …
Medical tests
… Tympanometry On this page: Overview Why It Is Done Results Overview … to the pressure and the sound. The results of this test are used to help figure out what is going on in the ear. Why It … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …
Medical tests
… Liver Function Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done Results Test Overview Some blood tests are used to determine whether your liver is damaged or inflamed. … doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… Thick and Thin Blood Smears for Malaria On this page: Overview Why It Is Done Results Overview Thick and Thin Blood Smears for Malaria—Overview Doctors use thick and thin blood smears to determine whether you … drop of blood on a glass slide. Thick blood smears are most useful for detecting the presence of parasites, because they …
Medical tests
… Antigen Tests for Giardiasis On this page: Overview Why It Is Done Results Overview … has been cured after treatment. An antigen test also may be used to screen people who are at high risk for having … and do not test for other intestinal infections that cause similar symptoms. People may get infected with other …
Medical tests
… Pap Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … how often to have this test. Cervical cancer is often caused by a high-risk type of the human papillomavirus (HPV) . … infection with the types of HPV that are most likely to cause cervical cancer. Why It Is Done A Pap test is done to …
Medical tests
… Genetic Testing and Screening On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … It can find changes in your genes or chromosomes that may cause a genetic illness. The results may tell you about your … such as Huntington disease . Forensic testing . This is used to identify family members, crime suspects, and victims …
