329 results found
Medical tests
… is done on blood, body fluid, or tissue samples. If a first screening test shows signs of syphilis, another test is done to confirm a syphilis infection. Your doctor may choose from many tests to screen for and … you make wise health decisions or take action to improve your health. Decision Points focus on key medical care …
Medical tests
… that may be present and the sample that will be tested. Your health professional will give you any specific instructions before your test. How It Is Done Samples can be collected in … Antibody titers that get higher over 3 weeks from the first sample to the second mean the infection occurred …
Medical tests
… In a double-contrast or air-contrast study , the colon is first filled with barium, and then the barium is drained … heart, or liver disease and have to limit fluids, talk with your doctor before you increase the amount of fluids you drink. You will take a laxative. Your doctor will give you this to empty your intestines. You …
Medical tests
… is collected: At a random time. This is usually after the first time you urinate in the morning. Over a 24-hour … is done to check for albumin in the urine. It helps tell your doctor how well your kidneys are working. This test is done most often to …
Medical tests
… with the results of a D-xylose test. For this reason, your doctor may instruct you to temporarily stop these … drink 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
… from the vagina or the opening to the uterus (cervix). First, a speculum is used to spread the walls of the vagina … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the …
Medical tests
… different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check for gaps or defects in your field of vision, and evaluate your ability to see … 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, …
Medical tests
… may be asked to drink water right before the test so that your bladder is full. How It Is Done This test is done in an … may be asked to drink water right before the test so that your bladder is full. You may need to take off all or most … them. If your arms are being tested, they will be tested first while you lie down. Then they'll be tested again while …
Medical tests
… immunosorbent assay (ELISA). This test is usually the first one used to detect infection with HIV. If antibodies … antibodies. If you have a positive test result, contact your sex partners to inform them. They may want to be tested. You may be able to get help from your local health unit to do this. Why It Is Done A test for …
Medical tests
… additional lymph nodes. The sentinel lymph node is the first node in a group of nodes in the body where cancer … cancer is normally one of the lymph nodes under the arm. Your doctor injects a blue dye or special tracer substance … and which lymph node is most likely to have cancer cells. Your doctor can see the dye or tracer with a special device. …
