302 results found
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A test for … back to a good blood level. When blood calcium levels get high ( hypercalcemia ), the extra calcium is stored in the … and they work in opposite ways: As blood calcium levels get high, phosphate levels get low, and the opposite is also …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A sodium … in the body. Find the cause of symptoms from low or high levels of sodium. Check on the progress of diseases of … that may be related to your symptoms and past health. High levels High sodium levels (hypernatremia) can be caused …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A test for … the amount of catecholamines in the blood. This causes high blood pressure, excessive sweating, headaches, fast … in the blood can change quickly, so it may be hard to find high values in a single blood sample. But a special …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A toxicology … (therapeutic) range, or Above the therapeutic range, or High enough that they may be toxic. High values High levels may be caused by a drug overdose, …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A lipase … test measures the amount of this enzyme in a blood sample. High amounts of lipase may be found in the blood when the … that isn't in the normal range may still be normal for you. High values A high lipase level may be caused by: Diseases …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A … hemoglobin A levels to be low and hemoglobin F levels to be high. Hemoglobin F (fetal hemoglobin). This type is normally … , and leukemia , have abnormal types of hemoglobin and higher amounts of hemoglobin F. Hemoglobin A2. This is a …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A rheumatoid … can attach to normal body tissue and cause damage. A high level of RF can be caused by several autoimmune … and some infections. Sometimes a healthy person can have a high RF level. The amount of RF in blood can be measured in …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A phosphate … by the kidneys and passes out of the body in the urine. A high level of phosphate in the blood is usually caused by a … at the puncture site. Results Phosphate levels are usually higher in children than in adults. That's because of the …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview An … medicines, and some poisons. IgE antibody levels are often high in people with allergies. IgD. IgD antibodies are found … that isn't in the normal range may still be normal for you. High values IgA . High levels of IgA may mean that …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview An aspartate … severe damage, AST levels rise in 6 to 10 hours and remain high for about 4 days. The AST test may be done at the same … for you. Results are usually available within 12 hours. High values High levels of AST may be caused by: Liver …