245 results found
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview An ammonia test measures the amount of ammonia in the blood. Most ammonia in the body forms when protein is broken down by bacteria in the … test. How It Is Done If the sample is taken from a vein A health professional uses a needle to take a blood sample, …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A serum osmolality test measures the … How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Blood normally doesn't have any … change how well your body can fight infections (immunity). For a blood culture, a sample of blood is added to a … to do anything at home to prepare for the test. Tell your health professional if you took antibiotics recently. How It …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Cancer antigen 125 (CA-125) is a … often, the CA-125 test is used to check how well treatment for ovarian cancer is working or to see if ovarian cancer … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Mononucleosis tests are blood tests to look for antibodies that indicate mononucleosis (mono), which is … test from a finger stick For a finger-stick sample, the health professional will puncture the skin on your middle or …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A toxoplasmosis test is a blood test that checks for antibodies to the Toxoplasma gondii parasite . Your … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A potassium test measures how much … juice, and squash. A balanced diet has enough potassium for the body's needs. But if your levels get low, it can … doctor will also look at your results based on your age, health, and other factors. A value that isn't in the normal …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Thyroid antibody tests measure the … destroy thyroid tissue can lead to hypothyroidism (underactive thyroid). Antibodies that make the cells produce … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A Doppler ultrasound test uses … to look at blood flow in an unborn baby to check the baby's health. During Doppler ultrasound , a hand-held device is … If there is no blood flow, the pitch does not change. Information from the reflected sound waves can be used to make …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Fetal ultrasound is a test done … your vagina. Fetal ultrasound is the safest way to check for problems and get details about your fetus. It can find … Why It Is Done Fetal ultrasound is done to learn about the health of your fetus. Different details can be learned at …
