156 results found
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
… especially when that person is sick. Monitor a person on a low-carbohydrate diet and/or high-fat diet. Monitor a person … Urine test Collect a urine sample in a clean container. Follow the manufacturer's directions on the bottle of test … from this test. A small bruise may form at the site. To lower the chance of bruising, keep pressure on the site for …
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
… 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 … for thyroid cancer. For a thyroid scan, you will either swallow a dose of radioactive iodine or be given technetium in a …
Medical tests
… your skin away from the urine stream. After the urine has flowed for several seconds, place the collection container in … health. Urine test results Colour Normal: Pale to dark yellow Abnormal: Many foods and medicines can affect the … or substances (such as sugar or protein) in the urine. Very low specific gravity means dilute urine, which may be caused …
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 …
