305 results found
Medical tests
… Sleep studies are tests that record what happens to your body during sleep. The studies are done to find out what's … as brain activity, eye movement, oxygen and carbon dioxide blood levels, heart rate and rhythm, breathing rate and … brain activity, eye movement, oxygen and carbon dioxide blood levels, heart rate and rhythm, breathing rate and …
Medical tests
… 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 … that you don't have hepatitis C. This can happen if your body cures the infection on its own. Or it can happen if you …
Medical tests
… Test Overview Cholesterol and triglyceride tests are blood tests that measure lipids—fats and fatty substances used as 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
… vitamin B12 test measures the amount of vitamin B12 in the blood. The body needs this B vitamin to make blood cells and to maintain a healthy nervous system . …
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 … goes into the bloodstream, and travels throughout your body and to your brain. This allows blood alcohol levels to …
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
… hormone (androgen) that is made in the adrenal glands . The body turns it into testosterone . A test for DHEA-S checks the level of this hormone in the blood. Testosterone affects sexual features and development. … except water for 9 to 12 hours before you have your blood drawn. In most cases, you are allowed to take your …
Medical tests
… For example, you may get one if a test shows that you have blood or protein in your urine. The biopsy is usually done … kidney biopsy is done to: Find kidney disease when there is blood or protein in the urine or when the kidneys are not … a firm pillow, or a rolled towel will be placed under your body to support your belly. It is very important that you …
Medical tests
… 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 inflammation in your body. High levels of CRP are caused by infections and many …
Medical tests
… An ammonia test measures the amount of ammonia in the blood. Most ammonia in the body forms when protein is broken down by bacteria in the … , which is then eliminated in urine. Ammonia levels in the blood rise when the liver is not able to convert ammonia to …
