329 results found
Medical tests
… Positron emission tomography (PET) is a test that uses a special type of camera and a tracer (radioactive substance) to look at organs in the body. The tracer usually is a special form of a substance (such as glucose) that collects in cells that are …
Medical tests
… having a lipase test. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. … the liver and keeps it from working the way it should. Substance use disorder . Medical Tests: … the liver and keeps it from working the way it should. Substance use disorder . Medical Tests: …
Medical tests
… Test Overview A rapid sputum tests is used to diagnose tuberculosis (TB) when other tests show … can cause an infection. A sample of sputum is added to a substance that promotes the growth of bacteria. If no … can cause an infection. A sample of sputum is added to a substance that promotes the growth of bacteria. If no …
Medical tests
… fetus ) in the uterus . Amniotic fluid has cells and other substances that can give clues about the health of your … weeks 15 and 20 to look at the baby's genes. It can also be used later in pregnancy. Amniocentesis for genetic testing … also tell the sex of your fetus. The amounts of some substances in the amniotic fluid may be measured. These …
Medical tests
… helps carry certain hormones that regulate the way the body uses energy and other substances through the blood. When prealbumin levels are … that regulate the way the body uses energy and other substances through the blood. When prealbumin levels are …
Medical tests
… blood. Your body makes antibodies to attack and destroy substances such as bacteria and viruses. But in autoimmune diseases, the antibodies attack and … blood. Your body makes antibodies to attack and destroy substances such as bacteria and viruses. But in autoimmune …
Medical tests
… Overview A renin assay blood test is done to find the cause of high blood pressure (hypertension) . Renin is an … (a hormone made by the adrenal glands ) and several other substances to help balance sodium and potassium levels in … (a hormone made by the adrenal glands ) and several other substances to help balance sodium and potassium levels in …
Medical tests
… photon-emission computed tomography (SPECT) is a test that uses a special type of camera and a tracer (a radioactive substance in liquid form) to look at organs or bones in the … uses a special type of camera and a tracer (a radioactive substance in liquid form) to look at organs in the body. The …
Medical tests
… for growth. It plays an important role in how the body uses food for energy ( metabolism ). The amount of GH in the … acromegaly ). Growth hormone can cause the release of other substances (factors) that affect growth and metabolism. One … acromegaly ). Growth hormone can cause the release of other substances (factors) that affect growth and metabolism. One …
Medical tests
… your throat and esophagus do while you swallow. The test uses X-rays in real time (fluoroscopy) and records what … a swallowing study, you will swallow liquid mixed with a substance called barium. Or you might swallow solid foods … a swallowing study, you will swallow liquid mixed with a substance called barium. Or you might swallow solid foods …