329 results found
Medical tests
… Test Overview The blood supply to your hand normally comes from two arteries: the radial … the Allen test can be used to find out if blood flow to your hand is normal. This test checks to see if both of … seconds. You may be asked to open and close your hand a few times. The pressure will stop the blood flow to your hand, …
Medical tests
… disease . A tumour in an adrenal gland. How To Prepare If your doctor tells you to fast before your test, do not eat or drink anything except water for 9 … highest. Women may be asked to take the test at a certain time in their menstrual cycle. How It Is Done A health …
Medical tests
… Test Overview A breast self-examination involves checking your breasts for lumps or changes. Many breast problems are … as biopsies. It is a good idea to become familiar with how your breasts look and feel and to talk to your doctor about any changes. How It Is Done The best time to examine your breasts is usually 1 week after your …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you get nervous in tight spaces. You may get … may be tired or sore from lying in one position for a long time. If a contrast material is used, you may feel some …
Medical tests
… risk of anemia. Vitamin B12 is usually measured at the same time as a folic acid test, because a lack of either one or … water) for 10 to 12 hours before the test. How It Is Done Your health professional drawing blood will: Wrap an elastic band around your upper arm to stop the flow of blood. This makes the …
Medical tests
… tomography (CT) scan . For an MRI of the head, you lie with your head inside a special machine (scanner) that has a … there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you get … may be tired or sore from lying in one position for a long time. If a contrast material is used, you may feel some …
Medical tests
… in the brain caused by too much CSF. How To Prepare Tell your doctor ALL the medicines and natural health products … you take. Some may increase the risk of problems during your test. Your doctor will tell you if you should stop … for 1 to 4 hours. Since your brain makes new CSF all the time and replaces it 2 or 3 times a day, the small amount of …
Medical tests
… Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to make sure that you are … you take, your doctor may schedule your test at a certain time of day. For example, your test may be done right before …
Medical tests
… blood. (Often there are few parasites in the blood at the time the test is done.) A thin blood smear is a drop of … show: Normal No parasites are present in red blood cells. Your doctor will repeat the test every 8 hours for 1 or 2 … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information …
Medical tests
… It Feels Risks Results Test Overview Your esophagus is the tube that connects your throat to your stomach. It moves food and liquid down … in your pocket or wear it around your waist for a certain time period. You will need to use a diary to keep track of …
