285 results found
Medical tests
… Overview A cold agglutinins blood test is done to check for conditions that cause the body to make certain types of … system in response to infection. They cause red blood cells to clump together (agglutinate) at low temperatures. Healthy people generally have low levels of cold agglutinins …
Medical tests
… of the hormone gastrin in the blood. Gastrin is produced by cells, called G cells, in the stomach lining. When food … minutes before the blood sample is drawn. How It Is Done A health professional uses a needle to take a blood sample, … to increase as high as 450,000 pg/mL. Pernicious anemia and conditions in which the stomach is not able to produce …
Medical tests
… Imaging (MRI) of the Spine On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done … herniated disc pushing into the canal toward nerve roots. Health Tools Health Tools help you make wise health decisions or take …
Medical tests
… acid is produced from the natural breakdown of your body's cells and from the foods you eat. Most of the uric acid is … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, … especially in men. This can lead to a gout attack. Many conditions can change uric acid levels. Your doctor will …
Medical tests
… . It is produced when the liver breaks down old red blood cells. Bilirubin is then removed from the body through the … may occur if gallstones , tumours of the pancreas, or other conditions are present. Diagnose conditions that cause … baby's bilirubin level is high. Blood sample from a vein A health professional uses a needle to take a blood sample, …
Medical tests
… Estrogen Test On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done … isn't in the normal range may still be normal for you. Many conditions can change estrogen levels. Your doctor will talk … isn't in the normal range may still be normal for you. Many conditions can change estrogen levels. Your doctor will talk …
Medical tests
… fluid can build up because of problems such as infection, heart failure, and lung cancer. The procedure may be done to … options. Tell your doctor ALL the medicines and natural health products you take. Some may increase the risk of … or an exudate. A transudate has a low white blood cell (WBC) count, a low lactate dehydrogenase (LDH) enzyme …
Medical tests
… Thyroid hormones Antithyroid medicines Medicines or natural health products that contain iodine, such as iodized salt, kelp, cough syrups, multivitamins, and the heart medicine amiodarone Are allergic to any medicines, … is present, abnormal test results may mean certain conditions are present. A low uptake of tracer by the …
Medical tests
… of calcium in plaque on the walls of the arteries of the heart ( coronary arteries ). This test is used to check for … causing a problem is small. There is a risk of damage to cells or tissue from being exposed to radiation, including … Over time, exposure to radiation may cause cancer and other health problems. But in most cases, the risk of getting …
Medical tests
… of sugar (glucose) bound to the hemoglobin in the red blood cells. People who have diabetes or other conditions that increase their blood glucose levels have … time during the day, even after a meal. How It Is Done A health professional uses a needle to take a blood sample, …