305 results found
Medical tests
… results of tympanometry can tell doctors whether there is fluid behind the eardrum or whether an ear tube is blocked. … Most of the time, if the test is normal, there is no fluid behind the eardrum. An abnormal test result may mean that there is fluid behind the eardrum. It can also mean that the …
Medical tests
… A C-peptide test measures the level of this peptide in the blood. It is generally found in amounts equal to insulin . … linked when first made by the pancreas. Insulin helps the body use and control the amount of sugar (glucose) in the blood. Insulin allows glucose to enter body cells where it …
Medical tests
… and how soon to do it. If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it … keep taking it. (These medicines include aspirin and other blood thinners.) Make sure that you understand exactly what … or brush will be used through the scope. A salt (saline) fluid may be used to wash your airway. Then the samples are …
Medical tests
… sound waves to make pictures of the brain and its inner fluid chambers (ventricles). Cerebrospinal fluid flows through these chambers. This test is most … your baby during the test. Pictures of the brain and inner fluid chambers (ventricles) can be seen on a video screen. …
Medical tests
… can't be seen with other imaging tests. For an MRI, your body is placed inside a machine that contains a strong … roots (see figure 1). Nerve roots normally float in the fluid-filled canal. Figure 2 shows a small herniated disc … a bone scan . Find areas of the spine that do not have good blood supply. Find an infection. Find nerve damage caused by …
Medical tests
… Test Overview An antinuclear antibody (ANA) test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune reaction). … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How long the test takes …
Medical tests
… X-rays to provide detailed pictures of the heart and the blood vessels that go to the heart, lung, brain, kidneys, … and arms. This test can show narrowed or blocked areas of a blood vessel. It can also show whether there is a bulge ( … studied. But with a CT angiogram, no tubes are put in your body. If your doctor sees that one or more of your blood …
Medical tests
… Test Overview A tissue type test is a blood test that identifies substances called antigens on the surface of body cells and tissues. Checking the antigens can tell if … antigen pattern for donated tissue or organs (including a blood platelet transfusion or bone marrow transplant) is a …
Medical tests
… checks the level of this male hormone (androgen) in the blood. Testosterone affects sexual features and development. … pituitary gland controls the level of testosterone in the body. When the testosterone level is low, the pituitary … and sexual functioning. Most of the testosterone in the blood is bound to a protein called sex hormone binding …
Medical tests
… see images and get information about your child's heart and blood vessels from the inside. It can also be done to repair … a thin tube called a catheter. The catheter is put into a blood vessel in the groin, neck, or other place on your child's body. Then the doctor moves the catheter through the blood …
