321 results found
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A test for catecholamines … rate, muscle strength, and mental alertness. They also lower the amount of blood going to the skin and intestines … the amount of catecholamines in the blood. This causes high blood pressure, excessive sweating, headaches, fast …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview This test measures the … substances through the blood. When prealbumin levels are lower than normal, it may be a sign of a poor diet … that isn't in the normal range may still be normal for you. High values High prealbumin levels may be caused by: Hodgkin …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A prolactin test measures … by the pituitary gland , in your blood. Pregnant women have high levels of prolactin, which helps make breast milk. … able to make normal amounts of prolactin so levels will be lower. Why It Is Done A test for prolactin is done: To find …
Medical tests
… Lipase Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related Information 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 …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A blood alcohol test … drink. The amount of alcohol in the blood reaches its highest level about an hour after drinking. But food in the … provinces have legal consequences starting at levels as low as 0.05. Legal limits are set lower for drivers who are …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A sodium test checks how … in the body. Find the cause of symptoms from low or high levels of sodium. Check on the progress of diseases of … or injury, diabetic ketoacidosis , or a condition called diabetes insipidus that makes it hard to balance the water …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A test for calcium in the … 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
… Blood Type Test On this page: Test Overview Why It Is Done … How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Blood type tests are done … and to check a pregnant woman's blood type. The following table shows the compatibility of blood types between …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A complete blood count … back to the lungs so it can be exhaled. If the RBC count is low (anemia), the body may not be getting the oxygen it needs. If the count is too high (a condition called polycythemia), there's a chance …
Medical tests
… Uric Acid in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview The blood uric acid test … normally, the level of uric acid in the blood increases. High levels of uric acid in the blood can cause solid …
