321 results found
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A test for calcium in … is carefully controlled. When blood calcium levels get low ( hypocalcemia ), the bones release calcium to bring it … back to a good blood level. When blood calcium levels get high ( hypercalcemia ), the extra calcium is stored in the …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview An iron test checks the … pregnancy, during breastfeeding, or at times when there are low levels of iron in the body (such as after bleeding). The … iron-binding capacity (TIBC), and transferrin saturation. High and low values The values for serum iron, total …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A testosterone test checks … of testosterone in the body. When the testosterone level is low, the pituitary gland releases a hormone called … levels vary throughout the day. They are usually highest in the morning and lowest in the evening. Why It Is …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview An immunoglobulins test is … called an autoimmune disease . If your immune system makes low levels of antibodies, you may have a greater chance of … medicines, and some poisons. IgE antibody levels are often high in people with allergies. IgD. IgD antibodies are found …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A lactic acid test is a … for energy and makes lactic acid. Lactic acid levels get higher when strenuous exercise or other conditions—such as … in a person who takes metformin (Glucophage) to control diabetes when heart or kidney failure or a severe infection …
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 …
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 …
