329 results found
Medical tests
… (also called a Mantoux tuberculin test) is done to see if you have ever been exposed to tuberculosis (TB). The test is … is a good test for finding a TB infection. It is often used when symptoms, screening, or testing, such as a chest X-ray … TB infection and a TB vaccination ( BCG vaccination ). More tests—such as a chest X-ray, a sputum culture , or both—are …
Medical tests
… Risks Results Test Overview Blood type tests are done before a person gets a blood transfusion and … 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 … is called a transfusion reaction, and it occurs immediately when incompatible blood is transfused. A transfusion …
Medical tests
… meal high in phosphorus, having high levels of vitamin D in your body, or having an overactive parathyroid gland . Some … may also cause high levels of phosphate in the urine. Tests for calcium and creatinine levels may be done at the … must collect all the urine you produce in a 24-hour period. When you first get up in the morning, urinate into the …
Medical tests
… can cause blood to clump in blood vessels under the skin when the skin is exposed to the cold. This causes pale skin … in their blood within a week of being infected. Newer tests for mycoplasma pneumonia have replaced the cold … blood test. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… sample. High amounts of lipase may be found in the blood when the pancreas is damaged or when the tube leading from … from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might … Substance use disorder . Medical Tests: Questions to Ask the Doctor Current as of: …
Medical tests
… response or potential (VER or VEP). This response occurs when the eyes are stimulated by looking at a test pattern. … the nerves pass a signal. Why It Is Done Evoked potential tests may be done to assess neurological problems. These … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information …
Medical tests
… prolactin, which is made by the pituitary gland , in your blood. Pregnant women have high levels of prolactin, … a hard time becoming pregnant ( infertile ). In a man when a pituitary gland problem is suspected. Also, a … disease, and hypothyroidism . Medical Tests: Questions to Ask the Doctor Current as of: …
Medical tests
… partly controls serum osmolality. Water constantly leaves your body as you breathe, sweat, and urinate. If you do not … of chemicals in your blood (serum osmolality) increases. When serum osmolality increases, your body releases ADH. … the use of certain medicines. Medical Tests: Questions to Ask the Doctor Current as of: …
Medical tests
… provinces test newborns for sickle cell disease. Talk with your doctor for more information. Why It Is Done A sickle … blood are collected. How It Feels Blood sample from a vein When a blood sample is taken, you may feel nothing at all … Genetic Testing and Screening Medical Tests: Questions to Ask the Doctor Sickle Cell Disorders …
Medical tests
… are done to: Monitor how the HIV infection is affecting your immune system. Help diagnose acquired immune deficiency … for other infections ( opportunistic infections ). Decide when to start treatment to prevent opportunistic infections, … make infections more likely. Medical Tests: Questions to Ask the Doctor Current as of: …
