329 results found
Medical tests
… catheterization is a test to check your heart. This test uses a thin, flexible tube called a catheter that is … and the wall of the heart. In children, this test is used to check for heart problems that have been present … severe it is. Cardiac catheterization sometimes can also be used to help correct the defect. Check on blood flow through …
Medical tests
… of blood creatinine and blood urea nitrogen (BUN) can be used to find the BUN-to-creatinine ratio. This ratio can … doctor check for problems, such as dehydration, that may cause abnormal BUN and creatinine levels. Why It Is Done These … the kidneys work in people who take medicines that can cause kidney damage. To check for severe dehydration . …
Medical tests
… blood tests that measure lipids—fats and fatty substances used as a source of energy by your body. Lipids are found in … as part of a regular health examination. Your doctor may use the results to prevent, check on, or diagnose a medical … deposits in the skin (xanthomas). These symptoms may be caused by a genetic disease that causes very high cholesterol …
Medical tests
… of the eyes may look yellow (jaundice). Jaundice may be caused by liver disease ( hepatitis ), blood disorders ( … intestine . Mild jaundice in newborns usually doesn't cause problems. But too much bilirubin (hyperbilirubinemia) in a newborn baby can cause brain damage ( kernicterus ) and other serious problems. …
Medical tests
… Information Test Overview Coronary calcium scans use a special X-ray test called computed tomography (CT) to … arteries of the heart ( coronary arteries ). This test is used to check for heart disease in an early stage and to … some of your clothes. If so, you will be given a gown to use during the test. For some CT scans, you may be able to …
Medical tests
… Blood urea nitrogen (BUN) and creatinine tests can be used together to find the BUN-to-creatinine ratio … doctor check for problems, such as dehydration, that may cause abnormal BUN and creatinine levels. Why It Is Done A BUN … Check for severe dehydration. Dehydration generally causes BUN levels to rise more than creatinine levels. This …
Medical tests
… your small intestine, where nutrients are absorbed for use by your body. The food then goes into your large … times than people who eat mostly sugars and starches. Because different people have different transit times, experts disagree about how useful this test is. Some doctors do not recommend bowel …
Medical tests
… Information Test Overview A stool test is one of many tests used to look for colorectal cancer . Colorectal cancer … of colorectal cancer. But not all blood in the stool is caused by cancer. Other conditions that can cause blood in the stool include: Hemorrhoids . Anal fissures …
Medical tests
… as hemolytic anemia . Also, being at high altitudes may cause reticulocyte counts to rise, to help you adjust to the … A reticulocyte count is done to: See whether anemia is caused by fewer red blood cells being made or by a greater … This problem is called phlebitis. A warm compress can be used several times a day to treat this. Results A …
Medical tests
… you can't get pregnant (infertility). LH testing is often used to help evaluate problems with sperm count. Help to … This can help see if you have started to go through menopause. Find out if a child is going through early puberty … puberty). Puberty is early when it starts in females younger than age 8 and in males younger than age 9. Find out …