129 results found
Medical tests
… X-rays. This causes the barium-filled colon to show up clearly on the X-ray picture. There are two types of barium … In a double-contrast or air-contrast study , the colon is first filled with barium, and then the barium is drained … X-ray picture. You will lie on the X-ray table while the first X-ray film is taken. While you are lying on your side …
Medical tests
… a D-xylose solution. To begin the test, a sample of your first urine of the day and a sample of your blood are … You start collecting your urine in the morning. When you first get up, empty your bladder, but do not save this … a D-xylose solution. To begin the test, a sample of your first urine of the day and a sample of your blood are …
Medical tests
… as two numbers, such as 20/20 (6/6) or 20/100 (6/30). The first number is the distance you stand from the chart, … this distance. When the second number is smaller than the first number, the person's vision is better than normal. For … your vision is normal, you should be able to see objects clearly throughout the entire visual field except for the area …
Medical tests
… them. If your arms are being tested, they will be tested first while you lie down. Then they'll be tested again while … the legs are tested, a blood pressure cuff may be wrapped first around the calf and then around the thigh. The test … When the arms are tested, the pressure cuff may be wrapped first around the forearm and then around the upper arm. …
Medical tests
… additional lymph nodes. The sentinel lymph node is the first node in a group of nodes in the body where cancer … the original cancer site. The dye or tracer moves to the first lymph node (sentinel node) that drains close to the … dyes (stains) that color the cells so problems can be clearly seen. Sentinel lymph node biopsy Normal The dye or …
Medical tests
… fibrosis . For this test, you breathe through a tube. First you breathe air that contains a tracer gas. Then you … with force in one breath. Lower FEV1 divided by FVC See the first two tests above. Lower Forced expiratory flow 25% to … in one breath. Normal or lower FEV1 divided by FVC See the first two tests above. Normal or higher Forced expiratory …
Medical tests
… any pain or discomfort. The gel may feel cold when it is first put on your skin. And you may feel light pressure from … any pain or discomfort. The gel may feel cold when it is first put on your skin. And you may feel light pressure from …
Medical tests
… antinuclear antibody test, or ANA. This test is often done first to look for antibodies that can cause autoimmune … antinuclear antibody test, or ANA. This test is often done first to look for antibodies that can cause autoimmune …
Medical tests
… returned after treatment. A steadily rising CEA may be the first sign that cancer has come back after treatment. Also, … returned after treatment. A steadily rising CEA may be the first sign that cancer has come back after treatment. Also, …
Medical tests
… methods are used. Spinal anesthetic . The doctor or nurse first numbs the area on your back where the needle will be … a spot that is too narrow, other smaller tools are inserted first. They will gradually make it large enough for the … or headache. Most people report that this test is not nearly as uncomfortable as they thought it would be. Risks …
