5562 results found
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A folate test measures the … B12 deficiency is working. See if the folate level is high enough to prevent certain birth defects. How To Prepare … B12 to use folate. So if vitamin B12 levels are very low, folate can't be used by the cells, and high levels of …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview An amylase test measures … taken from a vein or in a sample of urine. Normally, only low levels of amylase are found in the blood or urine. But … for only a short time. In the urine, amylase may remain high for several days. Why It Is Done A test for amylase is …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A hemoglobin … forms of thalassemia , may cause hemoglobin A levels to be low and hemoglobin F levels to be high. Hemoglobin F (fetal hemoglobin). This type is normally …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A urine test … (urethra). To check the treatment of conditions such as diabetes, kidney stones, a urinary tract infection (UTI), high blood pressure, or some kidney or liver diseases. As …
Health topics
… don't see as well as you used to. Eye problems such as age-related macular degeneration (AMD), glaucoma, cataracts, or … as cups, soap dishes, and even the soap. Label and mark Use high contrast when you make labels, signs, and other … are sometimes used with video enlargement systems. Diabetes aids If your low vision is caused by diabetes, some …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview The phosphate urine test … less is found in the urine. Kidney problems can cause high or low levels of phosphate in the urine. High levels of …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview An alkaline phosphatase … D deficiency, or damaged liver cells. If the ALP level is high, more tests may be done to find the cause. The amounts … is working. How To Prepare If you are having a follow-up ALP test, you may be asked to not eat or drink for 10 …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A ferritin blood test … ) is present. Check to see if iron treatment to raise or lower the iron level is working. How To Prepare In general, … that isn't in the normal range may still be normal for you. High values Very high ferritin levels can mean a large …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A vitamin D test measures … test. Why It Is Done You may need this test if you: Have low levels of calcium or phosphate . Have osteoporosis or … that isn't in the normal range may still be normal for you. High values High levels of vitamin D can be caused by: …
Health topics
… diet: Eat more fruits, vegetables, whole grains, and other high-fibre foods. Choose foods that are low in saturated fat, trans fat, and cholesterol. Limit salt … you are doing for your heart and your overall health. Related Information Healthy Eating Heart-Healthy Lifestyle …
