329 results found
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 …
Medical tests
… vessels. Albumin also helps carry some medicines and other substances through the blood and is important for tissue … out if your diet contains enough protein. Help find the cause of swelling of the ankles or belly or of fluid … vessels. Albumin also helps carry some medicines and other substances through the blood and is important for tissue …
Medical tests
… are in a woman who is not pregnant. Some types of cancer cause abnormal progesterone levels in men and women. Why It Is … your doctor if you have had a test that used a radioactive substance (tracer) within the last 7 days. Recent tests such … your doctor if you have had a test that used a radioactive substance (tracer) within the last 7 days. Recent tests such …
Medical tests
… Overview A tissue type test is a blood test that identifies substances called antigens on the surface of body cells and … if a person has a chance of getting certain diseases that cause the body to attack its own cells, such as autoimmune … Overview A tissue type test is a blood test that identifies substances called antigens on the surface of body cells and …