329 results found
Medical tests
… may be done. These tests look for possible problems with your baby. The tests may be called first-trimester … combined screening. The screening tests show the chance of your baby having certain birth defects such as Down syndrome … to measure the thickness of the skin at the back of your baby's neck. An increase in the thickness can be an …
Medical tests
… or can be injected into a vein. It travels through your body, giving off radiation signals. The camera "sees" … medicines or supplements for a while before the test. Tell your doctor about all of the medicines and natural health products you are taking. Your doctor may ask you to eat a low-iodine diet for several …
Medical tests
… (PSA) test is done to: Screen for prostate cancer. If your PSA level is higher than expected, your doctor may suggest other tests, including a prostate … How To Prepare Do not ejaculate during the 2 days before your PSA blood test, either during sex or masturbation. Talk …
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
… How To Prepare Do not use mouthwash before you collect your sputum sample. Some types of mouthwash can kill bacteria and could affect your results. If bronchoscopy will be used to collect your sputum sample, your doctor will tell you how soon …
Medical tests
… to take pictures of the salivary glands . This can help your doctor find the cause of dry mouth ( xerostomia ) or … gland scan, the tracer liquid is put into a vein ( IV) in your arm. The tracer moves through your blood and into the salivary glands. A special camera …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done This test is done … waist. And you may drape a paper or cloth covering around your shoulders. Remove all jewellery from your head and around your neck. You will lie on your back on …
Medical tests
… substance called a tracer is injected into a vein in your arm. The tracer travels through your bloodstream and into your bones. Then a special camera takes pictures of the …
Medical tests
… the tracer is put into a vein (intravenous, or IV ) in your arm. Sometimes it's taken by mouth or inhaled through the nose. The tracer moves through your body, where it may collect in the specific organ or … How To Prepare Before you have a SPECT scan, tell your doctor if you: Have diabetes. If you take medicine to …
Medical tests
… for the pelvic ultrasound. You may need to remove all your clothes below the waist and put on a gown before the … way of the ultrasound. You will need to take off most of your clothes below the waist. You will be given a gown to use during the test. You will lie on your back (or on your side) on a padded table. You need to …
