295 results found
Medical tests
… hormone (ACTH). Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ), … infection, or injury. Normally, cortisol levels rise during the early morning hours and are highest about 7 a.m. … kidney disease, depression , hyperthyroidism , or obesity . Pregnancy or birth control pills can also cause a high blood …
Medical tests
… wave energy to provide pictures of blood vessels inside the body. In many cases MRA can provide information that can't … study. Photographs of selected views can also be made. During MRA, the area of the body being studied is placed inside an MRI machine. Contrast …
Medical tests
… scan that is done to look at these organs for disease. During a liver and spleen scan, a radioactive tracer … right above you. It may move slowly above and around your body, scanning for the tracer and recording pictures as the … test. Steps you can take Most of the tracer will leave your body through your urine or stool within a day. So be sure to …
Medical tests
… profile (BPP) test measures the health of your baby (fetus) during pregnancy. A BPP test may include a non-stress test with … If there is a chance that your baby may have problems during your pregnancy ( high-risk pregnancy ), a BPP may be …
Medical tests
… Information Test Overview A Pap test is done to look for changes in the cells of the cervix . During a Pap test, a small sample of cells from the surface … examined for abnormalities that may point to abnormal cell changes, such as dysplasia or cervical cancer . The …
Medical tests
… or urine. Ketones are substances that are made when the body breaks down fat for energy. Normally, your body gets … test Ketones are present in the urine if: The test strip changes colour after dipping it into the urine. The urine … longer. Are pregnant. Some women have low levels of ketones during pregnancy and this does not affect the fetus. But a …
Medical tests
… The oral glucose tolerance test (OGTT) measures the body's ability to use a type of sugar, called glucose, that … most commonly done to check for diabetes that occurs with pregnancy ( gestational diabetes ). The test can be done on … can affect test results, you will be asked to sit quietly during the entire test. Do not eat during the test. You may …
Medical tests
… be done to look for blocked blood vessels in your lungs. During an angiogram, the doctor will put a thin, flexible … in the blood vessel wall), and narrowed areas. Look for changes in the blood vessels of injured or damaged organs. … table. A strap, tape, or sandbags may be used to hold your body still. A lead apron may be placed under your genital …
Medical tests
… helps regulate sodium and potassium levels in the body. This helps control blood pressure and the balance of … and beta-blockers . The amount of aldosterone in blood changes depending on whether you are standing up or lying … Liver disease. Heart failure. Dehydration. A condition during pregnancy that causes high blood pressure ( …
Medical tests
… energy to make pictures of organs and structures inside the body. In many cases, MRI gives different information about structures in the body than can be seen with an X-ray , ultrasound , or … room. In some cases, contrast material may be used during the MRI scan to show certain structures more clearly. …
