329 results found
Medical tests
… C-Reactive Protein (CRP) Test On this page: Test Overview Why It Is Done How To … Test Overview A C-reactive protein (CRP) test is a blood test that measures the amount of a protein called C-reactive protein in your blood. C-reactive protein measures general levels of …
Medical tests
… Adrenocorticotropic Hormone (ACTH) Test On this page: Test Overview Why It Is Done How To … the level of adrenocorticotropic hormone (ACTH) in the blood to check for problems with the pituitary gland and … stress. Cortisol is needed for life, so its levels in the blood are closely controlled. When cortisol levels rise, …
Medical tests
… Calcium (Ca) in Urine Test On this page: Test Overview Why It Is Done How To … help nerves work, make muscles squeeze together, help blood clot, and help the heart to work. Almost all of the … in the body is stored in bone. The rest is found in the blood. Normally the level of calcium in the blood is …
Medical tests
… Hepatitis C Viral Load Test On this page: Test Overview Why It Is Done How to … load test measures how much hepatitis C virus is in the blood. Viral load may be measured before, during, and after … test is done to see if there is any active virus in the blood. It's sometimes used to see how well treatment for …
Medical tests
… Carbon Monoxide (CO) Test On this page: Test Overview Why It Is Done How To … Results Test Overview A carbon monoxide blood test is used to detect carbon monoxide poisoning . … it. The test measures the amount of hemoglobin in your blood that has bonded with carbon monoxide. Carbon monoxide …
Medical tests
… Alanine Aminotransferase (ALT) Test On this page: Test Overview Why It Is Done How To … (ALT) test measures the amount of this enzyme in the blood. ALT is found mainly in the liver, but also in smaller … or diseased. Low levels of ALT are normally found in the blood. But when the liver is damaged or diseased, it …
Medical tests
… Carcinoembryonic Antigen (CEA) Test On this page: Test Overview Why It Is Done How To … measures the amount of this protein that may appear in the blood of some people who have certain kinds of cancers, … stops before birth, and it usually is not present in the blood of healthy adults. Why It Is Done The carcinoembryonic …
Medical tests
… Uric Acid in Urine Test On this page: Test Overview Why It Is Done How To … 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. … 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
… Sodium (Na) in Urine Test On this page: Test Overview Why It Is Done How To … Most of the sodium in the body (about 85%) is found in blood and lymph fluid . Sodium levels in the body are partly … and toothpaste. Doctors may look at sodium levels in the blood and urine to see whether conditions or medicines may …
Medical tests
… Ankle-Brachial Index Test On this page: Test Overview Why It Is Done Results … Test Overview This test is done by measuring blood pressure at the ankle and in the arm while a person is … Some people also do an exercise test. In this case, the blood pressure measurements are repeated at both sites after …
