328 results found
Medical tests
… you may have celiac disease, he or she will order a simple blood test that looks for these antibodies. Why It Is Done A … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the …
Medical tests
… is put into a vein ( IV ) in the arm. It moves through the blood to the liver and spleen . Areas of the liver and … tracer pattern shows a cyst , an abscess , a collection of blood (hematoma), a lump made up of blood vessels (hemangioma), or a tumour. The tracer pattern …
Medical tests
… How To Prepare If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it before your test. Or your doctor may tell you to keep taking it. (These medicines include aspirin and other blood thinners.) Make …
Medical tests
… the chemicals it produces, such as cotinine—in your blood or urine. It's usually done by testing a sample of … insurance. This is because people who smoke tend to have higher health costs over time. One type of test can help … insurance. This is because people who smoke tend to have higher health costs over time. One type of test can help …
Medical tests
… , or the genetic material ( DNA or RNA ) of HIV in the blood or another type of sample. This can show if an HIV infection is present (HIV-positive). HIV infects white blood cells called CD4+ cells. They are part of the body's … to 12 weeks for HIV antibodies or antigens to appear in the blood. The period between becoming infected with HIV and the …
Medical tests
… It includes the central visual field—which detects the highest degree of detail—and the peripheral visual fields. … stroke, head injury, or other condition that causes reduced blood flow to the brain. Colour vision tests These tests may … your child co-operate better during the real testing. Many medicines may affect the results of vision tests. Be sure to …
Medical tests
… test for colorectal cancer. Check for the cause of blood in the stool or rectal bleeding. Check for the cause … benefits, and other options. Tell your doctor ALL the medicines and natural health products you take. Some may … procedure. Your doctor will tell you if you should stop taking any of them before the procedure and how soon to do …
Medical tests
… caused by a chlamydia infection. Check people who are at high risk for being infected with chlamydia. A chlamydia … caused by a chlamydia infection. Check people who are at high risk for being infected with chlamydia. A chlamydia …
Medical tests
… screening. It's only recommended for people who have a high risk for lung cancer. Canadian experts recommend lung … screening. It's only recommended for people who have a high risk for lung cancer. Canadian experts recommend lung …
Medical tests
… problems. How To Prepare If you take aspirin or some other blood thinner, ask your doctor if you should stop taking it before your test. Make sure that you understand exactly what your doctor wants you to do. These medicines increase the risk of bleeding. Your doctor may …
