329 results found
Medical tests
… all the urine you produce in a 24-hour period. When you first get up in the morning, urinate into the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect all your … pour the urine into the large container. Don't touch the inside of the containers with your fingers. Keep the large …
Medical tests
… dye ( contrast material ) is put in a vein ( IV ) in your arm or hand to make the blood vessels easier to see on the scan. If you are having this test to look at your heart and the blood vessels that go to it ( coronary … The table will move during the scan. The scanner moves inside the doughnut-shaped casing around your body. You will …
Medical tests
… . After the original infection, it takes about 4 to 12 weeks for HIV antibodies or antigens to appear in the blood. … 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 …
Medical tests
… meal high in phosphorus, having high levels of vitamin D in your body, or having an overactive parathyroid gland . Some … all the urine you produce in a 24-hour period. When you first get up in the morning, urinate into the toilet. Don't … pour the urine into the large container. Don't touch the inside of the containers with your fingers. Keep the large …
Medical tests
… 24 hours. Uric acid is made from the natural breakdown of your body's cells. It's also made from the foods you eat. … You start collecting your urine in the morning. When you first get up, empty your bladder. But do not save this … pour the urine into the large container. Don't touch the inside of the container with your fingers. Keep the large …
Medical tests
… the tracer is put into a vein (intravenous, or IV ) in your arm. Sometimes it's taken by mouth or inhaled through … You are pregnant. A SPECT scan usually isn't done during pregnancy because the radiation could harm the unborn baby … You are pregnant. A SPECT scan usually isn't done during pregnancy because the radiation could harm the unborn baby …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done You will need to … not a reason to avoid the test. If you need an X-ray during pregnancy, a lead apron will be put over your belly to … not a reason to avoid the test. If you need an X-ray during pregnancy, a lead apron will be put over your belly to …
Medical tests
… 14 to 21 X-ray films) is most often done during a person's first visit to the dentist. Bitewing X-rays are used during … Dental X-rays are scheduled when you need them based on your age, risk for disease, and signs of disease. Why It Is … a reason to avoid the test. Dental X-rays are safe during pregnancy. So most dental work can be done while you are …
Medical tests
… view of the parts of the eye . During the examination, your doctor can look at the front parts of the eye. These … lamp examination. Eyedrops may be used to widen (dilate) your pupils and to numb the surface of your eyes. Before the … eyedrop or as a paper strip that is gently touched to the inside of your lower eyelid. The dye dissolves in your …
Medical tests
… of radio wave energy to provide pictures of blood vessels inside the body. In many cases MRA can provide information … there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you get nervous in tight spaces. You may get …