329 results found
Medical tests
… Cholesterol and Triglycerides Tests On this page: Test Overview Why It Is Done How To … Test Overview Cholesterol and triglyceride tests are blood tests that measure lipids—fats and fatty substances … a source of energy by your body. Lipids are found in your blood and are stored in tissues. They are an important part …
Medical tests
… Magnesium (Mg) Test On this page: Test Overview Why It Is Done How To … A magnesium test checks the level of magnesium in the blood. Magnesium is an important electrolyte needed for … Only a tiny amount of magnesium is normally present in the blood. Tests for other electrolytes, such as calcium, …
Medical tests
… Autoimmune Disease Tests On this page: Test Overview Why It Is Done How To … diseases measure the amount of certain antibodies in your blood. Your body makes antibodies to attack and destroy … the connective tissues, such as the skin and joints, and blood vessels and other tissues. Autoimmune tests may …
Medical tests
… Growth Hormone Test On this page: Test Overview Why It Is Done How To … measures the amount of human growth hormone (GH) in the blood. GH is made by the pituitary gland and is needed for … food for energy ( metabolism ). The amount of GH in the blood changes during the day and is affected by exercise, …
Medical tests
… Phenylketonuria (PKU) Test On this page: Test Overview Why It Is Done How To … tyrosine, the phenylalanine level builds up in the baby's blood and can cause brain damage, seizures, and intellectual … disease, you must inherit the gene from each parent. The blood sample for PKU is usually taken from your baby's heel …
Medical tests
… Tay-Sachs Test On this page: Test Overview Why It Is Done How To … amount of an enzyme called hexosaminidase A (Hex A) in the blood. Hex A breaks down fatty substances in the brain and … children. The Tay-Sachs enzyme test is usually done on blood taken from a vein or from the umbilical cord right …
Medical tests
… Hepatitis B Virus Tests On this page: Test Overview Why It Is Done How To … Test Overview Hepatitis B tests are blood tests that show whether you have an active hepatitis B … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a …
Medical tests
… Antithyroid Antibody Tests On this page: Test Overview Why It Is Done How To … tissue or make the cells produce thyroid hormones. They are blood tests. Antibodies that destroy thyroid tissue can lead … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a …
Medical tests
… Potassium (K) in Urine Test On this page: Test Overview Why It Is Done How To … levels can be affected by how the kidneys are working, the blood pH , and the amount of potassium you eat. The hormone … urination. Other symptoms may include dehydration , low blood pressure, confusion, irritability, paralysis, and …
Medical tests
… Liver Function Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done Results Test Overview Some blood tests are used to determine whether your liver is … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. Results Normal All …
