329 results found
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 … X-ray pictures are needed for clear pictures of the face. Your head may need to be repositioned for each view. Hold your head completely still while the pictures are being …
Medical tests
… by detecting human chorionic gonadotropin (hCG) in your urine. How To Prepare Equipment You can buy home … in urine. Midstream kits have a test strip that you hold in your stream of urine for several seconds. All kits tell you … pregnant (negative results), repeat the test in 1 week if your menstrual period has not started, or have a pregnancy …
Medical tests
… Prepare If you think you might have a kidney stone, talk to your doctor. You may be told to collect the stone by straining your urine through a fine-mesh strainer or through fine gauze. Your doctor may give you a kidney stone strainer, or you may …
Medical tests
… gland is a butterfly-shaped gland that lies in front of your windpipe (trachea), just below your voice box (larynx). The thyroid gland uses iodine from … How To Prepare If you are taking thyroid medicines, tell your doctor when you took your last dose. You may need to …
Medical tests
… Test Overview An extremity X-ray is a picture of your hand, wrist, arm, foot, ankle, knee, hip, or leg. It is … are done to: Find the cause of pain in an extremity. See if your bone is fractured or your joint is dislocated. See if fluid has built up in the …
Medical tests
… test ("tox screen") checks for drugs or other chemicals in your blood, urine, or saliva. Drugs can be swallowed, … a mucous membrane . In rare cases, a tox screen may check your stomach contents or sweat. A tox screen may check for … Many medicines can change the results of this test. So give your doctor a list of all the medicines you have taken in …
Medical tests
… injuries or diseases that affect the discs or joints in your spine. These problems may include spinal fractures, … disease. Spinal X-rays are also done to check the curve of your spine ( scoliosis ) or for spinal defects. The spine is … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done You will need to …
Medical tests
… are two types of ophthalmoscopy. Direct ophthalmoscopy. Your doctor uses a tool that is about the size of a small … can magnify up to about 15 times. Indirect ophthalmoscopy. Your doctor uses a small hand-held lens and either a slit … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Tell your doctor if …
Medical tests
… Prepare If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it before your procedure. Or your doctor may tell you to keep taking it. (These medicines …
Medical tests
… you can expect. And it will help you safely prepare for your test. Preparing for the test Tell your doctor if you are allergic to iodine. Iodine is usually … used in the contrast material that the doctor will put in your bladder. Tell your doctor if you are or might be …