316 results found
Medical tests
… Lactic acid levels get higher when strenuous exercise or other conditions—such as heart failure , a severe infection … for a lactic acid test: Do not eat or drink anything other than water for 8 to 10 hours before the test. Do not … Severe loss of water from the blood ( dehydration ). Blood problems, such as severe anemia or leukemia . Liver disease …
Medical tests
… is a poisonous (toxic) metal that can damage the brain and other parts of the body. A lead test may be done on blood … By eating or drinking lead-contaminated foods, water, or other material (such as paint chips). By breathing dust or … ( fetus ). Lead can also be passed to a baby through the mother's breast milk. Why It Is Done Testing for lead is done …
Medical tests
… very high in people who have Cushing's syndrome. Sometimes other conditions can keep cortisol levels high during this … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may … levels may be caused by: Cushing's syndrome. Other health problems. Examples include heart attack or heart failure, …
Medical tests
… vitamin B12 deficiency or folic acid deficiency . But other tests for these deficiencies are available. Help … to convert food to energy. Help determine a cause for otherwise unexplained blood clots. How To Prepare Do not eat or drink anything (other than water) for at least 8 hours before the test. Many …
Medical tests
… of the ovaries and placenta during pregnancy. Help diagnose problems with the adrenal glands and some types of cancer. … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may …
Medical tests
… who don't get enough vitamin D may not grow as much as others their age. They also have a chance of getting a rare … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may … who don't get enough vitamin D may not grow as much as others their age. They also have a chance of getting a rare …
Medical tests
… done to prevent transfusion reactions. Minor antigens (other than A, B, and Rh) that occur on red blood cells can sometimes also cause problems. So they are also checked for a match before giving … an Rh-positive baby mixes with the blood of an Rh-negative mother during pregnancy or delivery, the mother's immune …
Medical tests
… antibody made in response to an infection. They also cause other immune system cells to destroy foreign substances. IgM … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may … cells make only one type of IgG antibody (monoclonal); the other conditions cause an increase in many types of IgG …
Medical tests
… hormone cortisol in the blood. The cortisol level may show problems with the adrenal glands or pituitary gland . … . Cortisol levels go up when the pituitary gland releases another hormone called adrenocorticotropic hormone (ACTH). … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may …
Medical tests
… reversed. PTH levels that are too high or too low can cause problems with the kidneys and bones and cause changes in … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may …