282 results found
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures the … directions, it can provide an accurate estimate of your blood alcohol level. There are different types of devices … your body and to your brain. This allows blood alcohol levels to increase quickly. The amount of alcohol in your …
Medical tests
… Risks Results Test Overview A ferritin blood test checks the amount of ferritin in the blood. Ferritin is a protein in the body that binds to iron; … may still be normal for you. High values Very high ferritin levels can mean a large buildup of iron in the body ( …
Medical tests
… (BNP) test measures the amount of the BNP hormone in your blood. BNP is made by your heart and shows how well your … Normally, only a low amount of BNP is found in your blood. But if your heart has to work harder than usual over … heart failure , the heart releases more BNP, increasing the blood level of BNP. Why It Is Done The BNP test is used to: …
Medical tests
… the foods you eat. Your kidneys take uric acid out of your blood and put it into urine so that it can leave your body. … the level of uric acid in the urine can get too low. High levels of uric acid can cause crystals to form in joints. … levels. Find the cause of a high level of uric acid in the blood and help choose the proper treatment. How To Prepare …
Medical tests
… Test Overview A d-dimer test is a blood test that measures a substance that is released when a blood clot breaks up. Doctors order the d-dimer test, along … health problem or by a normal healing process. D-dimer levels are often higher than normal in people who have …
Medical tests
… Test Overview A hemoglobin electrophoresis test is a blood test done to check the different types of hemoglobin in the blood. Hemoglobin is the substance in red blood cells that … as severe forms of thalassemia , may cause hemoglobin A levels to be low and hemoglobin F levels to be high. …
Medical tests
… (AST) test measures the amount of this enzyme in the blood. AST is normally found in red blood cells , liver , heart, muscle tissue, pancreas , and … called serum glutamic oxaloacetic transaminase (SGOT). Low levels of AST are normally found in the blood. When body …
Medical tests
… found in the urine. Kidney problems can cause high or low levels of phosphate in the urine. High levels of phosphate … not get toilet paper, pubic hair, stool (feces), menstrual blood, or anything else in your urine sample. How It Feels … Severe malnutrition. Calcium (Ca) in Blood Test Medical Tests: Questions to Ask the Doctor …
Medical tests
… test measures the amount of the hormone progesterone in a blood sample. Progesterone is a female hormone produced by … by a sperm. If the egg is not fertilized, progesterone levels drop and menstrual bleeding begins. During pregnancy, … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. For a woman who is …
Medical tests
… enzyme also can be found in smaller amounts in the brain. A blood test to check the level of CK can show if there has … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the …
