329 results found
Medical tests
… Information Test Overview A carbon monoxide blood test is used to detect carbon monoxide poisoning . Poisoning can happen if you breathe air that contains too much carbon monoxide (CO). This gas has no colour, odour, or taste, so you can't tell when you are breathing it. The test measures …
Medical tests
… computed tomography angiogram (CT angiogram) is a test that uses X-rays to provide detailed pictures of the heart and … called plaque in a blood vessel. During a CT angiogram, you lie on a table that passes through a doughnut-shaped … dye ( contrast material ) is put in a vein ( IV ) in your arm or hand to make the blood vessels easier to see on …
Medical tests
… Information Test Overview A genetic test checks the DNA of your cells. It can find changes in your genes or chromosomes that may cause a genetic illness. The results may tell you about your …
Medical tests
… or abnormal positions of chromosome pieces, can cause problems with a person's growth, development, and body … be done when a newborn's sex is not clear. How To Prepare You do not need to do anything before you have this test. Since the information obtained from …
Medical tests
… thyroid gland makes hormones that regulate the way the body uses energy. The thyroid 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 …
Medical tests
… or EP study, is a test to see if there is a problem with your heartbeat (heart rhythm) and to find out how to fix it. … electricity. The electrodes collect information about your heart's electrical activity. Your doctor can tell what … at the same time. A procedure called catheter ablation uses the catheters to destroy (ablate) small areas of your …
Medical tests
… kinds of ticks. Lyme disease can be hard to diagnose because its symptoms are similar to those of many other illnesses. If you and your doctor think you have Lyme disease, your doctor will do …
Medical tests
… if there is any active virus in the blood. It's sometimes used to see how well treatment for hepatitis C is working. … was effective. How to Prepare In general, there is nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… (say "lap-uh-ROSS-kuh-pee") is a type of surgery that uses very small cuts. These cuts are called incisions. The doctor puts a lighted tube through incisions in your belly. This tube is called a scope. Then the doctor … an organ, or see if cancer has spread. For some surgeries, you can usually go home the same day. The incisions from the …
Medical tests
… Test Overview A radioactive iodine uptake (RAIU) test uses a radioactive tracer and a special probe to measure how … if the tracer is evenly spread in the gland. This helps your doctor know if the thyroid gland is working properly. … who have had thyroid cancer surgery. How To Prepare Tell your doctor if you: Take any medicines regularly. Be sure …