329 results found
Medical tests
… the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect all your urine. Your doctor or lab will give you a large container to store …
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
… If you have a joint problem, you may have more fluid in your joint and your joint may become swollen, stiff, and painful. A sample … Colour and clarity Clear to light yellow Red (bloody) or milky white (cloudy) Blood cell count No large numbers of …
Medical tests
… test can be done at any age. It may be done as soon as your baby is 10 days old, but it is often done when a baby is 2 to 4 weeks of age. Your child may need more than one sweat test to confirm a … creams or lotions on the skin for 24 hours before the test. Your child may eat, drink, and exercise normally before the …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The normal range is just a …
Medical tests
… in 10 to 15 minutes. Why It Is Done It may be done so your doctor can find out right away whether you have strep … have this test. How It Is Done You will be asked to tilt your head back and open your mouth as wide as possible. Your doctor will press your …
Medical tests
… for up to 4 weeks before having a progesterone test. Tell your doctor if you have had a test that used a radioactive … radioactive tracer can interfere with the test results. Let your doctor know the first day of your last menstrual period. If your bleeding pattern is …
Medical tests
… Overview A chest X-ray is a picture of the chest that shows your heart, lungs, airway, blood vessels, and lymph nodes . A chest X-ray also shows the bones of your spine and chest, including your breastbone , your ribs, your collarbone , and the upper …
Medical tests
… cancer is normally one of the lymph nodes under the arm. Your doctor injects a blue dye or special tracer substance … and which lymph node is most likely to have cancer cells. Your doctor can see the dye or tracer with a special device. … about when to stop eating and drinking. If you don't, your test may be cancelled. If your doctor told you to take …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … tests. If you are having follow-up aldosterone blood tests, your doctor may give you the following instructions: Eat … A low-salt diet can also increase aldosterone levels. Tell your doctor if you are on a low-salt food plan. Do not eat …
