329 results found
Medical tests
… Alcohol Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … But food in the stomach may increase the amount of time it takes for the blood alcohol to reach its highest … a noticeable effect on the body, even when consumed in small amounts. In large amounts, alcohol acts as a sedative …
Medical tests
… Stress Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … stress of normal labour. A contraction stress test is usually done if you have an abnormal non-stress test or … the test. Empty your bladder before the test. If you smoke, stop for 2 hours before the test. Smoking can lower your …
Medical tests
… (CEA) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … of some people who have certain kinds of cancers, especially cancer of the large intestine ( colon and rectal cancer … during the development of a fetus . The production of CEA stops before birth, and it usually is not present in the …
Medical tests
… Mediastinoscopy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … your breastbone and between your lungs. This area is called the mediastinum (say "mee-dee-ya-STY-num"). During the … procedure. Follow the instructions exactly about when to stop eating and drinking. If you don't, your procedure may …
Medical tests
… Tomography (PET) On this page: Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … substance) to look at organs in the body. The tracer usually is a special form of a substance (such as glucose) that … any medicines or natural health products. You may need to stop taking some medicines or change your dose before this …
Medical tests
… Stool Analysis On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … fat, meat fibres, bile , white blood cells , and sugars called reducing substances. The pH of the stool also may be … on which kind of stool analysis you have. You may need to stop taking medicines such as antacids, antidiarrheal …
Medical tests
… Agglutinins Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … that cause the body to make certain types of antibodies called cold agglutinins. Cold agglutinins are normally made … skin warms up. In some cases, the clumped blood cells can stop the flow of blood to the tips of the fingers, toes, …
Medical tests
… (LH) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … cycle and egg production ( ovulation ). LH levels normally change with the phase of the menstrual cycle. This … letrozole, testosterone, and metformin. You may be asked to stop taking medicines (including birth control pills) that …
Medical tests
… in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … is done to help diagnose a tumour in the adrenal glands called a pheochromocytoma. Catecholamine levels in the blood … 4 hours before the blood test. Your doctor may ask you to stop certain medicines, such as blood pressure medicines, …
Medical tests
… Head and Neck On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … narrowing or a blockage in a blood vessel that slows or stops blood flow. An abnormal pattern of blood vessels … will probably feel some warmth when the dye is put in. This feeling lasts only a few seconds. For some people, the …
