329 results found
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A growth hormone (GH) test … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Blood levels of … change more slowly, and it may be the first test 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 parathyroid hormone (PTH) blood … 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 A cold agglutinins blood test is … cells to clump together (agglutinate) at low temperatures. Healthy people generally have low levels of cold agglutinins … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview The sedimentation rate (sed rate) … 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 Hepatitis B tests are blood tests … likely to be exposed to body fluids (such as if you are a health care worker). You've had other tests that show you have liver problems. You are pregnant. You or your doctor wants to know if you are protected from getting …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A potassium test measures how much … and the amount of potassium you eat. The hormone levels in your body, severe vomiting, and taking certain medicines … 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
… On this page: Test Overview How It Is Done Risks Related Information Test Overview A breast self-examination involves checking your breasts for lumps or changes. Many breast problems are … or a fibroadenoma . The Canadian Task Force on Preventive Health Care does not recommend breast self-examinations for …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Blood type tests are done before a … people have one of four blood types: A, B, AB, or O. If your red blood cells have: The A antigen. You have type A … blood cells. Rh sensitization does not generally affect the health of the baby during the pregnancy in which the …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A serum osmolality test measures … partly controls serum osmolality. Water constantly leaves your body as you breathe, sweat, and urinate. If you do not … 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 toxoplasmosis test is a blood … checks for antibodies to the Toxoplasma gondii parasite . Your body's natural defence system ( immune system ) will … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
