329 results found
Medical tests
… Risks Results Test Overview A myelogram uses X-rays and a special dye called contrast material to … space (subarachnoid space) between the bones in your spine (spinal canal). A myelogram may be done to find a … is often done after the X-rays, while the dye is still in your body. Why It Is Done A myelogram is done to check for: …
Medical tests
… (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel … organs, such as the brain, heart, and kidneys. This helps your body prepare for "fight-or-flight" reactions. Your body … glands called a pheochromocytoma . Tumours like this can cause your adrenal glands to release too many hormones. And …
Medical tests
… or abnormal positions of chromosome pieces, can cause problems with a person's growth, development, and body … obtained from karyotyping can have a profound impact on your life, you may want to see a doctor who specializes in … what karyotype test results mean for you, such as your risk for having a child with an inherited (genetic) …
Medical tests
… alcohol test measures the amount of alcohol (ethanol) in your body. Alcohol is quickly absorbed into the blood and … . The rest of it is passed out of the body in urine and your exhaled breath. Alcohol has a noticeable effect on the … the central nervous system. A blood alcohol test is often used to find out whether you are legally drunk or …
Medical tests
… This fluid buildup is called ascites . Ascites may be caused by infection, inflammation, an injury, or other … Prepare If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it before your procedure. Or your doctor may tell you to keep taking …
Medical tests
… flows out of the bladder. This test, also called a VCUG, uses contrast fluid and X-rays so the doctor can see how the … you can expect. And it will help you safely prepare for your test. Preparing for the test Tell your doctor if you are allergic to iodine. Iodine is usually …
Medical tests
… of TB protein ( antigens ) under the top layer of skin on your inner forearm. If you have ever been exposed to the TB bacteria ( Mycobacterium tuberculosis ), your skin will react to the antigens by developing a firm … red bump at the site within 2 or 3 days. The TB antigens used in a tuberculin skin test are called purified protein …
Medical tests
… gloved finger of one hand into the rectum . He or she may use the other hand to press on the lower belly or pelvic … hemorrhoids. How To Prepare If you have hemorrhoids, tell your doctor before the examination begins. Your doctor will try not to bother your hemorrhoids. How It …
Medical tests
… defects in a fetus . It's done to find birth defects caused by an abnormal number of chromosomes . It also can … this screening test is positive, it means there is a chance your baby has a birth defect. In that case, your doctor may suggest that you have a diagnostic test, …
Medical tests
… Information Test Overview Colonoscopy is a test that allows your doctor to look at the inner lining of your large intestine (rectum and colon). Your doctor uses a thin, flexible tube called a colonoscope to look at …
