173 results found
Medical tests
… gland that lies in front of your windpipe (trachea), just below your voice box (larynx). The thyroid gland uses iodine … growths (nodules). Taking too much thyroid medicine. Low values Low thyroid hormone levels ( hypothyroidism ) may be caused …
Medical tests
… chemicals in your blood, urine, or saliva. Drugs can be swallowed, inhaled, injected, or absorbed through the skin or a … present in the body, not the exact level or quantity. Follow-up quantitative testing is often done to find the level … or non-prescription medicines found in the sample are: Below the effective (therapeutic) range, or Above the …
Medical tests
… thyroid gland absorbs from the blood. The tracer can be swallowed or can be injected into a vein. It travels through … products you are taking. Your doctor may ask you to eat a low-iodine diet for several days if this test is being done … cancer. A whole-body scan will show whether iodine is in bone or other tissue (iodine uptake) after the thyroid gland …
Medical tests
… of the stomach, pancreas , large intestine, liver, or lung. Low values If you are pregnant, a low level of hCG can mean an ectopic pregnancy or a … of the stomach, pancreas , large intestine, liver, or lung. Low values If you are pregnant, a low level of hCG can mean …
Medical tests
… Wrap an elastic band around your upper arm to stop the flow of blood. This makes the veins below the band larger so it is easier to put a needle into the … a vein. You may get a small bruise at the site. You can lower the chance of bruising by keeping pressure on the site …
Medical tests
… of bilirubin in a blood sample. Bilirubin is a brownish yellow substance found in bile . It is produced when the liver … are high, the skin and whites of the eyes may look yellow (jaundice). Jaundice may be caused by liver disease ( … anemia ), or blockage of the tubes (bile ducts) that allow bile to pass from the liver to the small intestine . …
Medical tests
… dye called contrast material to make pictures of the bones and the fluid-filled space (subarachnoid space) … increase the amount of water you drink before the test. Follow the instructions your doctor gives you about eating and … all or most of your clothes above the waist. (You may be allowed to keep on your underwear if it doesn't get in the way …
Medical tests
… pictures. The contrast material may be used to check blood flow, find some types of tumours, and show areas of … Find problems in the knee joint , such as arthritis , bone tumours, or infection, or damaged cartilage, meniscus , … clothes, depending on which area is examined. (You may be allowed to keep on your underwear if it's not in the way.) You …
Medical tests
… Blood vessels. Using MRI to look at blood vessels and the flow of blood through them is called magnetic resonance … the uterus and ovaries. In men, it looks at the prostate. Bones and joints. MRI can check for problems of the bones … clothes, depending on which area is examined. (You may be allowed to keep on your underwear if it's not in the way.) You …
Medical tests
… pictures. The contrast material may be used to check blood flow, find some types of tumours, and show areas of … pain. Find problems in the shoulder, such as arthritis , bone tumours, worn-out cartilage, torn ligaments, torn … clothes, depending on which area is examined. (You may be allowed to keep on your underwear if it's not in the way.) You …