328 results found
Medical tests
… your test. Your doctor will tell you if you should stop taking any of them before the test and how soon to do it. Do … waves are normally found when you are alert or have taken high doses of certain medicines, such as benzodiazepines . … has stopped. It's usually caused by lack of oxygen or blood flow inside the brain. It may happen when a person has …
Medical tests
… Overview Antibody tests are a set of blood tests that check for specific antibodies to help … of the fetus, since these antibodies are associated with a higher risk of the baby being born with neonatal lupus … syndrome or a heart defect called congenital heart block. High titres of anti-dsDNA are usually seen only in people …
Medical tests
… special proteins ( antibodies ) that fight against sperm in blood, vaginal fluids, or semen. The test uses a sample of … response. The antibodies can damage or kill sperm. If a high number of sperm antibodies come into contact with … This is a rare cause of infertility . Results The higher the level of antibody-affected sperm found in the …
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures the … quickly. The amount of alcohol in your blood reaches its highest level about 60 minutes after you drink. But food in … How It Feels You might feel slightly light-headed after taking the test. Risks There are no known risks from having …
Medical tests
… and pulses of radio wave energy to provide pictures of blood vessels inside the body. In many cases MRA can provide … tomography (CT) scan . MRA can find problems with the blood vessels that may be causing reduced blood flow. With MRA, both the blood flow and the condition …
Medical tests
… blocked urine flow. A uroflowmetry test is called a pressure flow study when used with a pressure-recording catheter in the bladder. Pressure studies may help distinguish between urinary …
Medical tests
… tool into the child's ear. The tool changes the air pressure inside the ear and produces a clear tone. Then the tool measures how the eardrum responds to the pressure and the sound. The results of this test are used to … may need. Results Normally the eardrum moves easily when pressure in the ear canal is changed. Most of the time, if …
Medical tests
… cancelled. If your doctor has instructed you to take your medicines on the day of surgery, please do so using only a … best. If you have trouble obtaining a good sample, try taking a hot shower first to help loosen the mucus in your … uncomfortable. Bronchoscopy sample You may be able to feel pressure in your airway as the bronchoscope is moved from …
Medical tests
… tests are done to find certain antibodies that attack red blood cells. Antibodies are proteins made by the immune … cause antibodies to be made. Transfusion reaction Human blood is typed by certain markers (called antigens ) on the surface of red blood cells . If you get a blood transfusion, the transfused …
Medical tests
… A dye is injected into your arm. It flows through your blood to the blood vessels in your eye. The dye makes the blood vessels in your eye easier to see as your doctor looks …
