289 results found
Medical tests
… swab is rubbed against a herpes sore to collect fluid and cells to examine. Samples may be collected from the vagina, … No herpes simplex virus (HSV) or antibodies are found. Abnormal: Abnormal results that show HSV are called positive. Herpes …
Medical tests
… for a CT scan A CT scan may be used to make sure that a procedure is done correctly. For example, the doctor may use … after the test. Throw it out. There is a risk of damage to cells or tissue from being exposed to radiation, including … present. No bleeding or collections of fluid are present. Abnormal: An organ is too large or too small, damaged, or …
Medical tests
… pictures of the tracer in the kidneys. This helps show cell activity and function in the kidneys. Many different … scan is done to: Check the blood flow through the kidneys. Abnormal flow may mean narrowed renal arteries that can … tracer evenly. No "hot" spots or "cold" spots are seen. Abnormal: The kidneys are not normal in shape, size, or …
Medical tests
… form of a substance (such as glucose) that collects in cells that are using a lot of energy, such as cancer cells. … , Huntington's disease , stroke , and schizophrenia . Find changes in the brain that may cause epilepsy . Evaluate the … of the tracer shows normal distribution in the body. Abnormal: Heart: Decreased blood flow and increased glucose …
Medical tests
… Problems with blood vessels may include an aneurysm or abnormal twisted blood vessels that are present at birth … symptoms such as change in consciousness, confusion, or abnormal movements. These symptoms may be caused by brain … spaces, nerves, and surrounding structures—are normal. No abnormal growths, such as tumours, in or around the brain …
Medical tests
… a thin needle into a lymph node and removes a sample of cells. Core needle biopsy. Your doctor inserts a needle with … that was put into the biopsy site. You will also feel sleepy for several hours. How long the test takes A … cells in it are normal. No signs of infection are present. Abnormal: Signs of infection, such as mononucleosis (mono) …
Medical tests
… most cases, a dye ( contrast material ) may be used so that abnormalities can be seen more clearly from normal breast … material makes it easier to find problems with increased or abnormal blood flow, such as with some types of cancer or … risk for breast cancer. This includes women with: Gene changes (such as BRCA). Close family members who have had …
Medical tests
… to bacteria, viruses, fungus, animal dander, or cancer cells. Antibodies attach to the foreign substances so the … protein electrophoresis or total blood protein test are abnormal. How To Prepare In general, there's nothing you … protein electrophoresis or total blood protein test are abnormal. How To Prepare In general, there's nothing you …
Medical tests
… hormone tests are done to: Find out what is causing an abnormal thyroid-stimulating hormone (TSH) test. For more … treatment for hyperthyroidism or hypothyroidism, if TSH is abnormal or if TSH is normal and a patient has pituitary … Labs generally measure free T4 (FT4) levels, if the TSH is abnormal. Results of these thyroid hormone tests may be …
Medical tests
… by the body. Insulin is a hormone that helps your body's cells use the glucose. Insulin is produced in the pancreas … during pregnancy (gestational diabetes). Determine if an abnormally low blood sugar level ( hypoglycemia ) is … may mean you have an insulinoma, a tumour that produces abnormally high amounts of insulin. Low glucose levels also …
