329 results found
Medical tests
… (T3) and thyroxine (T4). T3 and T4 help control your body's metabolism . Triiodothyronine (T3) and thyroxine … in severe cases, have below-average intelligence. Older children also need thyroid hormones to grow and develop … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… that checks for problems with the electrical activity of your heart. An EKG shows the heart's electrical activity as … along with the risks, benefits, and other options. Tell your doctor ALL the medicines and natural health products … may pull your skin a little. Risks An EKG is a completely safe test. No electricity passes through your body from the …
Medical tests
… if the sputum sample is to be collected at home or in your doctor's office. Bronchoscopy sample Your doctor will tell you how soon before the procedure to … take you home. Anesthesia and pain medicine will make it unsafe for you to drive or get home on your own. How It Is …
Medical tests
… time (PTT) is a blood test that measures the time it takes your blood to clot. A PTT test can be used to check for … time is an important test because the time it takes your blood to clot may be affected by: Blood-thinning … blood to clot easily in veins and arteries. Check if it is safe to do a procedure or surgery that might cause bleeding. …
Medical tests
… of TB protein ( antigens ) under the top layer of skin on your inner forearm. If you have ever been exposed to the TB bacteria ( Mycobacterium tuberculosis ), your skin will react to the antigens by developing a firm … bacteria are used for the test. A tuberculin skin test is safe during pregnancy or breastfeeding. Results Redness …
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 … down one of your legs. Risks A spinal tap is generally a safe procedure. In some cases, a leak of cerebrospinal fluid …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Urine sodium can be … sample is done at home. Timed urine collection You collect your urine for a period of time, such as over 4 or 24 hours. Your doctor will give you a large container that holds about …
Medical tests
… to make magnified images, or pictures, of the back of your eye . This includes the retina. It's the part of the eye that's most responsible for your vision. Common imaging methods include: Colour and … black-and-white photography. A camera magnifies the back of your eye and makes pictures. Optical coherence tomography, …
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 … is often injected into the skin over the joint. For young children, a sedative may also be given. A long, thin needle …
Medical tests
… 2 to 5 days before this test. This helps to make sure that your sperm count will be at its highest. It also makes the … close to body temperature. A good way to do this is by keeping the semen container in an inside pocket. Avoid … close to body temperature. A good way to do this is by keeping the semen container in an inside pocket. Avoid …
