146 results found
Medical tests
… Information Test Overview A thyroid scan uses a radioactive tracer and a special camera to measure how much … . It can also find areas of the thyroid gland that are overactive or underactive. The camera takes pictures of the thyroid gland from …
Medical tests
Medical tests
… Why It Is Done This test is done to see if there is any active virus in the blood. It's sometimes used to see how … Why It Is Done This test is done to see if there is any active virus in the blood. It's sometimes used to see how …
Medical tests
… To monitor the growth of prostate cancer for someone on active surveillance. Why It Is Done You may need a prostate … as monitoring the growth of prostate cancer for someone on active surveillance. How To Prepare If you take a medicine … To monitor the growth of prostate cancer for someone on active surveillance. Why It Is Done You may need a prostate …
Medical tests
Medical tests
… test result does not distinguish those people with an active strep infection from those who are carriers of strep … test result does not distinguish those people with an active strep infection from those who are carriers of strep …
Medical tests
Medical tests
… high levels of progesterone, starting near the end of the first trimester and continuing until the baby is born. … Tell your doctor if you have had a test that used a radioactive substance (tracer) within the last 7 days. Recent … interfere with the test results. Let your doctor know the first day of your last menstrual period. If your bleeding …
Medical tests
… tests may be sensitive enough to show a pregnancy on the first day of a woman's missed period. But most test kits are … When to test Most home pregnancy kits can be used on the first day of a missed menstrual period. But the test results … If you are using a midstream kit, urinate a small amount first and then hold the dipstick in your urine stream as you …
Medical tests
… pictures of the heart after a special test medicine ( radioactive tracer ) is given through an IV . The tracer travels … stress scan is done in two parts. In many hospitals, the first images are taken while the person is at rest. Then a … that your heart needs. Sometimes the stress scan is done first and the resting scan might be done the next day. …