313 results found
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 … study. Photographs of selected views can also be made. During MRA, the area of the body being studied is placed …
Medical tests
… very little chloride. People with cystic fibrosis have a high level of chloride in their sweat. During the sweat test , medicine that causes a person to sweat is applied to the skin (usually on the arm or thigh). The sweat is then collected and the amount of …
Medical tests
… This test measures the amount of lead in a person's blood. Lead is a poisonous (toxic) metal that can damage the … or who live in places where the chance of poisoning is high, such as in a large city. Check for the amount of lead … blood lead level of 0.24 micromoles per litre (mcmol/L) or higher or 5 micrograms per decilitre (mcg/dL) or higher. …
Medical tests
… found in milk and milk products. A galactosemia test is a blood or urine test that checks for enzymes that are needed … with galactosemia doesn't have one of these enzymes, so high levels of galactose build up in the blood or urine. … with galactosemia doesn't have one of these enzymes, so high levels of galactose build up in the blood or urine. …
Medical tests
… cells that are using a lot of energy, such as cancer cells. During the test, the tracer liquid is put into a vein … located. A PET scan is often used to evaluate cancer, check blood flow, or see how organs are working. Why It Is Done … tomography (PET) scan is done to: Study the brain's blood flow and metabolic activity. A PET scan can help a …
Medical tests
… can also spread to the fetus of a person who has syphilis during pregnancy. Testing is done on blood, body fluid, or tissue samples. If a first screening … Why It Is Done A syphilis infection can spread through the bloodstream to all parts of the body. If not treated, …
Medical tests
… levels can be affected by how the kidneys are working, the blood pH , and the amount of potassium you eat. The hormone … holding on to potassium. A potassium level that is too high or too low can be serious. Abnormal levels may cause … Other symptoms may include dehydration , low blood pressure, confusion, irritability, paralysis, and changes in …
Medical tests
… room. In some cases, contrast material may be used during the MRI scan to show certain structures more clearly. … is used to find problems such as tumours, bleeding, injury, blood vessel diseases, or infection. MRI also may be done to … the chest can look at the heart, the valves, and coronary blood vessels . It can show if the heart or lungs are …
Medical tests
… women, pelvic ultrasound may be done to: Find the cause of blood in the urine (hematuria). An ultrasound of the kidneys … to take pictures from different angles. You may feel some pressure. Water may be put into your rectum to clean the end … stripe (also called endometrial hyperplasia ) may mean a higher chance of endometrial cancer . Problems from pelvic …
Medical tests
… the foods you eat. Your kidneys take uric acid out of your blood and put it into urine so that it can leave your body. … too much uric acid, the level in the urine can get too high. And if your kidneys aren't working the way they … foods before the test. Make sure you drink enough liquids during the 24-hour test so that you don't get dehydrated . …
