329 results found
Medical tests
… are usually done together. They are: Ventilation scan. You inhale a radioactive tracer gas or mist. Pictures from … milk and is not good for the baby. How It Is Done You will need to take off any jewellery that might interfere with the … may then be asked to hold your breath for short periods (about 10 seconds) and to change positions. This is done so …
Medical tests
… or can be injected into a vein. It travels through your body, giving off radiation signals. The camera "sees" … How To Prepare To prepare for a thyroid scan: You may need to stop eating for several hours before the test. You … supplements for a while before the test. Tell your doctor about all of the medicines and natural health products you …
Medical tests
… Overview A HIDA scan is an imaging test that checks how your gallbladder is working. The gallbladder is a small sac … Follow all instructions carefully. How It Is Done You will need to take off any jewellery that might affect the scan. … check how well the gallbladder is working. You may be asked about your reaction to the substance used to stimulate the …
Medical tests
… a testicular scan, the tracer is injected into a vein in your arm. It travels through your blood to the testicles. … unless your doctor tells you to. How It Is Done You will need to remove any jewellery that might get in the way of … of the tracer in your testicles. Two scans are done about 15 minutes apart. You need to lie very still during …
Medical tests
… Test Overview Lung function tests check to see how well your lungs work. The tests can find lung problems, measure … while the pressure of the booth is monitored. You may need to breathe through a mouthpiece while you are in the … values in obstructive conditions Lung function test What the test measures Result as predicted for age, height, …
Medical tests
… alcohol test measures the amount of alcohol (ethanol) in your body. Alcohol is quickly absorbed into the blood and … tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It … to walk, nausea, vomiting 0.40: Possible coma and death What affects BAC BAC depends on the number of drinks you …
Medical tests
… liver and spleen after a belly injury. How To Prepare If you are breastfeeding, you may want to pump enough breast … milk and is not good for the baby. How It Is Done You will need to take off any jewellery. You may need to take off all … of the scans. How long the test takes The test will take about an hour. How It Feels You may feel nothing at all from …
Medical tests
… gastrointestinal (or GI) endoscopy is a test that allows your doctor to look at the inside of your esophagus, … Why It Is Done An upper GI endoscopy may be done to: Find what's causing you to vomit blood. Find the cause of … may notice a brief, sharp pain when the intravenous (IV) needle is placed in a vein in your arm. The local anesthetic …
Medical tests
… substance called a tracer is injected into a vein in your arm. The tracer travels through your bloodstream and … 3 to 5 hours after the injection. How It Is Done You will need to remove any jewellery that might get in the way of … A small amount of the tracer is injected. It takes about 2 to 5 hours for the tracer to bind to your bone so …
Medical tests
… measures the amount of a type of sugar, called glucose, in your blood at the time of testing. The test can be done at … about how often to check your blood sugar. How often you need to check it depends on your diabetes treatment, how … Testing before and after eating can help you adjust what you eat. Some types of glucose meters can store …
