324 results found
Medical tests
… Electrophysiology Tests for the Eyes On this page: Test Overview Why It Is Done How To Prepare How It Is … signals needed for vision. These tests measure electrical activity that occurs in your eye when you look at something. … response (VER): Follow your doctor's instructions about eating to avoid low blood sugar. Avoid caffeine within 12 …
Medical tests
… Hemochromatosis Gene (HFE) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … Information Test Overview Hemochromatosis gene (HFE) testing is a blood test used to check for hereditary … pancreas, joints, skin, and other organs. In its early stages, hemochromatosis can cause joint and belly pain, …
Medical tests
… Antinuclear Antibodies (ANA) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … diseases. An ANA test is used along with your symptoms, physical examination, and other tests to find an autoimmune … Sometimes ANA test results can be positive when a person is healthy. Though the test is positive, the level of …
Medical tests
… Calcium (Ca) in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is … the body depends on the amount of: Calcium you get in your food. Calcium and vitamin D your intestines absorb. … Your doctor will also look at your results based on your age, health, and other factors. A value that isn't in the …
Medical tests
… Luteinizing Hormone (LH) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … Help find out why you can't get pregnant (infertility). LH testing is often used to help evaluate problems with sperm … Results How much LH a person has depends on their age and stage of sexual development. It also depends on the phase of …
Medical tests
… Vitamin B12 Test On this page: Test Overview Why It Is Done How To Prepare How It Is … needs this B vitamin to make blood cells and to maintain a healthy nervous system . Vitamin B12 is found in animal … deficiency anemia unless their bodies can't absorb it from food. Strict vegetarians (vegans) who do not eat animal …
Medical tests
… Bowel Transit Time Test On this page: Test Overview Why It Is Done How To Prepare How It Is … A bowel transit time test measures how long it takes for food to travel through the digestive tract . After you chew … test is. Some doctors do not recommend bowel transit time testing. For this test, you swallow one or more gel capsules …
Medical tests
… Uric Acid in Urine Test On this page: Test Overview Why It Is Done How To Prepare How It Is … breakdown of your body's cells. It's also made from the foods you eat. Your kidneys take uric acid out of your blood … Your doctor will also look at your results based on your age, health, and other factors. A value that isn't in the …
Medical tests
… Home Blood Pressure Test On this page: Test Overview Health Tools Why It Is Done How To … For example, a blood pressure reading of less than 90/60 is healthy as long as you feel okay. … prevention, and treatment of hypertension in adults and children. Canadian Journal of Cardiology , 34(5): 506–525. …
Medical tests
… Rheumatoid Factor (RF) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … rheumatoid arthritis ) and some infections. Sometimes a healthy person can have a high RF level. The amount of RF in … along with information gained from a medical history and a physical examination before diagnosing rheumatoid arthritis. …