165 results found
Medical tests
… a barium enema or upper gastrointestinal series (barium swallow). Barium can interfere with test results. Travelled in … each day. You may need to collect more than one sample. Follow the directions in the kits. The contents may be … so that you don't get any urine in the stool sample. Follow the directions for putting the sample collection …
Medical tests
… a cloth or paper gown to use during the test. You may be allowed to keep on your underwear if it does not get in the … handled gently and supported when moved or repositioned. Pillows, sandbags, or other objects may be used to hold the … of damage to cells or tissue from radiation, including the low levels of radiation used for this test. But the chance …
Medical tests
… spine X-ray. It takes pictures of the 5 bones of the lower back (lumbar vertebrae) and a view of the 5 fused … a cloth or paper gown to use during the test. You may be allowed to keep on your underwear if it does not get in the … of damage to cells or tissue from radiation, including the low levels of radiation used for this test. But the chance …
Medical tests
… CD4+ counts generally decrease as HIV progresses. A low CD4+ count usually means a weakened immune system and a … HIV, the CD4+ count almost always goes up with treatment. Low CD4+ counts make infections more likely. Related … CD4+ counts generally decrease as HIV progresses. A low CD4+ count usually means a weakened immune system and a …
Medical tests
… made longer by: Blood-thinning medicine, such as warfarin. Low levels of blood clotting factors. A change in the … to make sure you are taking the right dose. Check for low levels of blood clotting factors. The lack of some … values A longer-than-normal PT can mean a lack of or low level of one or more blood clotting factors (factors I, …
Medical tests
… spots in the pictures. Areas where the tracer collects in low amounts or does not show up are seen as dark spots. The … camera will be placed right above you. It may move slowly above and around your body, scanning for the tracer … may find it hard to lie still during the scan. Ask for a pillow or blanket to make yourself as comfortable as possible …
Medical tests
… viral load. This means that the amount of the virus is too low for the test to detect. When the virus is undetectable, … blood. It means that the amount of HIV in the blood was too low for the test to detect. CD4+ Cells … viral load. This means that the amount of the virus is too low for the test to detect. When the virus is undetectable, …
Medical tests
… cause red blood cells to clump together (agglutinate) at low temperatures. Healthy people generally have low levels of cold agglutinins in their blood. But lymphoma … up. In some cases, the clumped blood cells can stop the flow of blood to the tips of the fingers, toes, ears, or …
Medical tests
… of throat and ear pain. Find the cause for trouble swallowing, a feeling of a lump in the throat, or mucus with … she may ask you to make a high-pitched "e-e-e-e" sound or a low-pitched "a-a-a-a" sound. Making these noises helps the … sips of water. When you feel ready, you can eat a normal diet. Do not clear your throat or cough hard for several …
Medical tests
… cause or location of unexplained bone pain, such as ongoing low back pain. A bone scan may be done first to help … in complex bone structures such as the foot or spine. Follow-up evaluation then may be done with a computed … table, with a large scanning camera above you. It may move slowly above, below, and around your body, scanning for …
