329 results found
Medical tests
… Sweat Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … may be done as soon as your baby is 10 days old, but it is often done when a baby is 2 to 4 weeks of age. Your child …
Medical tests
… Time Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … Test Overview A bowel transit time test measures how long it takes for food to travel through the digestive tract …
Medical tests
… Count On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results What Affects the … count can also be caused by exposure to radiation, a long-term (chronic) infection, or by certain medicines that …
Medical tests
… in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … spread to the bones. Tuberculosis . Being on bedrest for a long time after a broken bone. Paget's disease . Low values …
Medical tests
… (VSE) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results What Affects the … or good lighting in the room. A hand-held mirror with a long handle. Choose a time when you are not having a …
Medical tests
… Virus (HIV) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … cells infected with the virus. PCR testing isn't done as often as antibody testing, because it requires technical …
Medical tests
… Hair Analysis On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … neck. The sample should be 2.5 cm (1 in.) to 4 cm (2 in.) long and should include the new growth closest to the scalp. …
Medical tests
… Absorption Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … for 4 hours before the test. A D-xylose test can take a long time. It might be a good idea to bring something you …
Medical tests
… CD4+ Count Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … such as medicines to prevent Pneumocystis pneumonia. How often your CD4+ count is checked depends on your treatment, …
Medical tests
… D-Dimer Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … a blood clot breaks up. Doctors order the d-dimer test, along with other lab tests and imaging scans, to help check … problem or by a normal healing process. D-dimer levels are often higher than normal in people who have abnormal blood …
