266 results found
Medical tests
… Test Overview Allergy testing involves having a skin or blood test to find out what substance, or allergen , may … they are rapid, reliable, and generally less expensive than blood tests, but either type of test may be used. Skin tests … used to detect a skin allergy called contact dermatitis . Blood test Allergy blood tests look for substances in the …
Medical tests
… ( colon ) and the rectum . Stool tests look for signs of blood or cancer in a stool sample. Stool tests include: … Fecal immunochemical test (FIT). Guaiac fecal occult blood test (gFOBT). Blood in the stool may be the only symptom of colorectal …
Medical tests
… Test Overview Thyroid testing Thyroid hormone tests are blood tests that check how well the thyroid gland is … way the body uses energy ( metabolism ). Thyroid hormone blood tests include: Total thyroxine (T4) and free thyroxine (FT4). Most of the thyroxine (T4) in the blood is bound to a protein called thyroxine-binding …
Medical tests
… in heart tissue and other muscles. It is released into the blood after damage to the heart or other muscles. Damage can … a heart attack or a burn. Myoglobin can be checked with a blood test or a urine test. Levels in the blood will increase within about 3 hours after the damage. …
Medical tests
… (hCG) test is done to check for the hormone hCG in blood or urine. Some hCG tests measure the exact amount. … used to see if a woman is pregnant. HCG can be found in the blood before the first missed menstrual period. This can be … Soon after delivery, hCG can no longer be found in your blood. HCG may also be made by certain tumours, especially …
Medical tests
… , adrenal glands , lungs, and heart. It also can study blood vessels, bones, and the spinal cord. Fluoroscopy CT is a special test that isn't widely … It also can study blood vessels, bones, and the spinal cord. Fluoroscopy CT is a special test that isn't widely …
Medical tests
… develop ulcers. Four tests are used to detect H. pylori : Blood antibody test. A blood test checks to see whether your body has made … bacteria. If you have antibodies to H. pylori in your blood, it means you either are currently infected or have …
Medical tests
… ("tox screen") checks for drugs or other chemicals in your blood, urine, or saliva. Drugs can be swallowed, inhaled, … heroin. Testing is often done on urine or saliva instead of blood. Many drugs will show up in a urine or saliva sample. … And urine and saliva tests are usually easier to do than blood tests. Why It Is Done Why are toxicology tests done? …
Medical tests
… the amount of luteinizing hormone (LH) in a sample of blood or urine. LH is produced by the pituitary gland . LH … you take, including natural health products. How It Is Done Blood test A health professional uses a needle to take a blood sample, usually from an arm. The blood sample is then …
Medical tests
… or trisomy 18 . First-trimester screening tests include: Blood tests. These measure the level of two substances in the blood called pregnancy-associated plasma protein A (PAPP-A) … gonadotropin hormone (beta-hCG). PAPP-A is a protein in the blood. Beta-hCG is a hormone made by the placenta . In some …
