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Blood and Lymph System Learning Center Learn about your blood and lymphatic health Your blood and lymphatic system work together to keep your
Medical tests
… Renin Blood Test On this page: Test Overview Why It Is Done How To … assay blood test is done to find the cause of high blood pressure (hypertension) . Renin is an enzyme made by special … in the blood and fluid levels in the body, which affects your blood pressure. A renin test is often done at the same …
Medical tests
… Aldosterone in Blood Test On this page: Test Overview Why It Is Done How To … and potassium levels in the body. This helps control blood pressure and the balance of fluids and electrolytes in the … (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will …
Health topics
… Pregnancy: Blood Clots On this page: Overview Overview A blood clot is … worse when you cough or take a deep breath. Diagnosis Your doctor will do a physical examination and ask questions about your past health. You may need certain tests, such as an …
Medical tests
Blood Alcohol Test On this page: Test Overview Why It Is … alcohol test measures the amount of alcohol (ethanol) in your body. Alcohol is quickly absorbed into the blood and … starting at levels as low as 0.05. Legal limits are set lower for drivers who are not fully licensed. Blood alcohol …
Medical tests
… Potassium (K) in Blood Test On this page: Test Overview Why It Is Done How To … pH , the amount of potassium you eat, the hormone levels in your body, severe vomiting, and taking certain medicines, … diarrhea, frequent urination, dehydration , low blood pressure, confusion, irritability, paralysis, and changes in …
Medical tests
… Prealbumin Blood Test On this page: Test Overview Why It Is Done How To … substances through the blood. When prealbumin levels are lower than normal, it may be a sign of a poor diet (malnutrition). Your doctor may use the results of this test to make changes …
Medical tests
… Prolactin Blood Test On this page: Test Overview Why It Is Done How To … prolactin, which is made by the pituitary gland , in your blood. Pregnant women have high levels of prolactin, … able to make normal amounts of prolactin so levels will be lower. Why It Is Done A test for prolactin is done: To find …
Health topics
… Helping Kids Handle Peer Pressure On this page: Overview Overview … You can play an important role in this process by helping your kids learn to make good choices when they're being … pressure. But the desire to be like their peers can help your children too. On the positive side, peer pressure can …
Medical tests
Blood Type Test On this page: Test Overview Why It Is Done … people have one of four blood types: A, B, AB, or O. If your red blood cells have: The A antigen. You have type A blood. The liquid portion of your blood (plasma) has antibodies that attack type B blood. …