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Medical tests
… you make wise health decisions or take action to improve your health. Decision Points focus on key medical care … Infection? How To Prepare You may be asked to empty your bladder just before the test, both for your own comfort and to help with the examination. Talk to …
Medical tests
… a microscope for problems. Fine-needle aspiration biopsy. Your doctor inserts a thin needle into a lymph node and removes a sample of cells. Core needle biopsy. Your doctor inserts a needle with a special tip and removes … about the size of a grain of rice. Open (surgical) biopsy. Your doctor will make a small cut in the skin and remove a …
Medical tests
… the blood (such as electrolytes ). A chemistry screen tells your doctor about your general health, helps look for certain problems, and … chemistry screen you have done depends on what information your doctor is looking for. A chemistry screen may include …
Medical tests
… . A vaginal self-examination may help you better understand your body, the changes that take place during the menstrual … The best time to do a vaginal self-examination is between your menstrual periods. A vaginal self-examination should not replace a regular pelvic examination by your doctor. Why It Is Done A vaginal self-examination can …
Medical tests
… Information Overview Cardiac catheterization is a procedure your doctor uses to see images and get information about your child's heart and blood vessels from the inside. It can … heart defects. This is a kind of heart problem that your child is born with. Your doctor doesn't need to make …
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
… partly controls serum osmolality. Water constantly leaves your body as you breathe, sweat, and urinate. If you do not drink enough water, the concentration of chemicals in your blood (serum osmolality) increases. When serum osmolality increases, your body releases ADH. This keeps water from leaving in the …
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
… colonography . Which screening test you choose depends on your risk, your preference, and your doctor. Talk to your doctor about what puts you at risk …