217 results found
Medical tests
… Cold Agglutinins Test On this page: Test Overview Why It Is … the clumped blood cells can stop the flow of blood to the tips of the fingers, toes, ears, or nose. This is like … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… levels at certain times of the day. It also allows you to quickly spot any major changes in your glucose levels. Some … of the test in a minute or less. How It Feels Your fingertips may get sore from frequent pricking for blood sugar … levels at certain times of the day. It also allows you to quickly spot any major changes in your glucose levels. Some …
Medical tests
… Information Test Overview A thyroid scan uses a radioactive tracer and a special camera to measure how much … . It can also find areas of the thyroid gland that are overactive or underactive. The camera takes pictures of the … the thyroid gland where the activity is less than normal (cold nodules ) or more than normal (hot nodules). Cold …
Medical tests
… helps your doctor learn what times during the day you are active and what times you are sleeping. Why It Is Done Sleep … problems, such as: Sleep apnea. Excessive snoring. Problems staying awake, such as narcolepsy . Problems with nighttime … problems, such as: Sleep apnea. Excessive snoring. Problems staying awake, such as narcolepsy . Problems with nighttime …
Medical tests
… examination or seen on a thyroid ultrasound test or a radioactive thyroid scan. How To Prepare You may have a needle or … to lie still with your head tipped backward. You may feel a quick sting or pinch in your neck. If you have an open … to lie still with your head tipped backward. You may feel a quick sting or pinch in your neck. If you have an open …
Medical tests
… an exercise bicycle. Spirometry measures how much and how quickly you can breathe air in and out. An exercise … test An inhalation challenge test measures how much and how quickly you can breathe air in and out before and after … such as methacholine or histamine, or after breathing cold air. The test may be repeated for different doses of …
Medical tests
… feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … found. You may need more tests to find out if you have an active infection now or a past infection that got better. … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… bacteria. PCR testing may be used to identify a current (active) infection if you have symptoms of Lyme disease that … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… sweat evaporates, it helps cool your body. When you are too cold, your blood vessels narrow. This reduces blood flow to … A non-contact infrared thermometer can display a reading quickly and reduce the risk of spreading disease. But many … A non-contact infrared thermometer can display a reading quickly and reduce the risk of spreading disease. But many …
Medical tests
… Catecholamine levels in the blood can change quickly, so it may be hard to find high values in a single … as blood pressure medicines, before the test. Do not take cold or allergy remedies, including aspirin, or … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
