329 results found
Medical tests
… the mouth and gently moved down the throat. It goes through your esophagus , stomach, and duodenum until it reaches the … certain problems found during the test. In some cases, your doctor can insert small tools through the scope to: … Is Done This test is done in the hospital. You may have to stay overnight if your doctor takes out gallstones or places …
Medical tests
… the CT scanner, which is a large doughnut-shaped machine. Your head will be positioned inside the scanner. The CT … dye called contrast material may be put in a vein ( IV ) in your arm or into the spinal canal. The dye makes structures … there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you get …
Medical tests
… These tests measure electrical activity that occurs in your eye when you look at something. Electrophysiology … problems of the retina. A full-field ERG can check how well your entire retina is working. A multifocal ERG (mfERG) … special to prepare for the tests. Follow any instructions your doctor gives you about what to do before your test. For …
Medical tests
… different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check … be used. Refraction test. This test shows your level of refractive error and finds out the right prescription for … have routine eye examinations changes as you age. Adults, children, and teens have different schedules for eye …
Medical tests
… B tests are blood tests that show whether you have an active hepatitis B infection. The tests can also show if you … that show you have liver problems. You are pregnant. You or your doctor wants to know if you are protected from getting the disease. The tests also are done to help your doctor decide about your treatment and see how well …
Medical tests
… that checks for problems with the electrical activity of your heart. An EKG shows the heart's electrical activity as … along with the risks, benefits, and other options. Tell your doctor ALL the medicines and natural health products … you take. Some may increase the risk of problems during your test. Your doctor will tell you if you should stop …
Medical tests
… get one if a test shows that you have blood or protein in your urine. The biopsy is usually done by putting a long, … will take about an hour. After the procedure, you'll stay in the hospital or surgery centre for several hours to … not expected, such as Wilms' tumour (which occurs in early childhood) and renal cell cancer (which is most common after …
Medical tests
… hours before the test. Because this is a test involving your heart, you may have to stay overnight in the hospital to be monitored closely. If a … help you relax. You will get a shot of anesthetic to numb your skin and deeper tissues. Then a long, thin needle will …
Medical tests
… a dye called contrast material is injected into a vein in your arm. A series of X-ray pictures is then taken at timed … have an enema the morning of the test) to make sure that your bowels are empty. If you are breastfeeding, you may … a bee or from eating shellfish. This test is often done in children to see if they may have an abnormal backflow of …
Medical tests
… of TB protein ( antigens ) under the top layer of skin on your inner forearm. If you have ever been exposed to the TB bacteria ( Mycobacterium tuberculosis ), your skin will react to the antigens by developing a firm … with TB. It also cannot tell if the infection is latent (inactive) or if you have active TB that can be passed to …