5562 results found
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview An adrenocorticotropic … cortisol levels change throughout the day. ACTH is normally highest in the early morning (between 6 a.m. and 8 a.m.) and lowest in the evening (between 6 p.m. and 11 p.m.). ACTH …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A parathyroid hormone … the thyroid gland . If the blood calcium level is too low, the parathyroid glands release more PTH. This causes … more calcium and phosphorus. If the calcium level is too high, the parathyroid glands release less PTH, and the whole …
Health topics
… Hypoglycemic unawareness means not being able to recognize low blood sugar until the symptoms are serious. Most people … sugar is low. Have had low blood sugar many times. Have had diabetes for a long time. There is no cure for hypoglycemic … family, friends, and co-workers know how to give glucagon . Related Information Continuous Glucose Monitoring Treating …
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 …
Health topics
… Confusion or Decreased Alertness On this page: Overview Related Information Overview Many health problems cause … A disease, such as a brain tumour or problems from diabetes. Environmental factors, such as dehydration, cold … potassium in the blood. Low blood sugar (hypoglycemia) or high blood sugar (hyperglycemia). Malnutrition and vitamin …
Health topics
… On this page: Treatment Overview Why It Is Used Risks Related Information Treatment Overview Chromium is a mineral … Those at risk for chromium deficiency include people with diabetes and the elderly. Why It Is Used Chromium helps to … interfere with the absorption of chromium. Being exposed to high levels of chromium on the job (such as in metallurgy …
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 …