200 results found
Medical tests
… important in how nerves and muscles work. Potassium levels often change with sodium levels. When sodium levels go up, … go down, potassium levels go up. Potassium levels are also affected by a hormone called aldosterone, which is made by … important in how nerves and muscles work. Potassium levels often change with sodium levels. When sodium levels go up, …
Medical tests
… test because the time it takes your blood to clot may be affected by: Blood-thinning medicine, such as heparin. … Partial thromboplastin time and prothrombin time are often done at the same time to check for bleeding problems … Partial thromboplastin time and prothrombin time are often done at the same time to check for bleeding problems …
Medical tests
… such as medicines to prevent Pneumocystis pneumonia. How often your CD4+ count is checked depends on your treatment, … such as medicines to prevent Pneumocystis pneumonia. How often your CD4+ count is checked depends on your treatment, …
Medical tests
… the central nervous system. A blood alcohol test is often used to find out whether you are legally drunk or … the central nervous system. A blood alcohol test is often used to find out whether you are legally drunk or …
Medical tests
… getting enough oxygen. Why It Is Done A non-stress test is often done when there is any question about how the baby is … getting enough oxygen. Why It Is Done A non-stress test is often done when there is any question about how the baby is …
Medical tests
… sample, usually from the arm. Cardiac enzyme studies are often repeated over several hours for comparison. How It … sample, usually from the arm. Cardiac enzyme studies are often repeated over several hours for comparison. How It …
Medical tests
… polyps and some cancers. Talk with your doctor about how often you should do a test, depending on your age and any … is from colorectal cancer. But blood in the stool is more often caused by something other than cancer. These other … polyps and some cancers. Talk with your doctor about how often you should do a test, depending on your age and any …
Medical tests
… as much as 4 months earlier. This level is not usually affected by the amount of folate and folic acid in your diet … anemia called megaloblastic anemia . Mild folate deficiency often does not cause any symptoms. Severe folate deficiency … done to: Check for the cause of anemia . A folate test is often done at the same time as a test for vitamin B12 levels …
Medical tests
… problems in older adults. Hearing loss in older adults is often mistaken for a reduced mental ability. (For example, a … conversation.) To screen for hearing loss in people who are often exposed to loud noises or who take certain … problems in older adults. Hearing loss in older adults is often mistaken for a reduced mental ability. (For example, a …
Medical tests
… then checked under a microscope. The hip bone is the most often used area for these procedures. Aspiration and biopsy are often done to find a blood problem or an infection. They … (sternum). This complication is very rare. Samples are not often taken from the breastbone, so most people don't have …
