329 results found
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 heart is working. … the blood level of BNP. Why It Is Done The BNP test is used to: Check to see if you have heart failure. A doctor …
Medical tests
… measures the amount of this protein in the blood. CA-125 is used as a tumour marker , which means the test can help show … the harms. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… (ACTH). Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ), and … in the evening and during the early phase of sleep. But if you sleep during the day and are up at night, this pattern may be reversed. If you do not have this daily change (diurnal rhythm) in …
Medical tests
… 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 long-term diseases. But a CRP …
Medical tests
… Test Overview A tilt table test is used to check people who have fainted or who often feel light-headed. The results help your doctor know the cause of your fainting or feeling light-headed. The test uses a …
Medical tests
… How It Is Done Results Test Overview Some blood tests are used to determine whether your liver is damaged or inflamed. Although these tests help your doctor evaluate how well your liver is working, they …
Medical tests
… ) of HIV in the blood. Viral load is first measured when you are diagnosed with HIV infection. This first measurement … undetectable. This means there is very little virus in your blood. Why It Is Done A viral load test is done to watch for changes in an HIV infection. Your doctor uses it to see how well your treatment is working. This …
Medical tests
… This protein measures general levels of inflammation in your body. The hs-CRP can be used to find the risk for heart disease and stroke in people … stroke. Why It Is Done This test may be done to find out if you have an increased chance of having a sudden heart …
Medical tests
… Information Test Overview A mental health assessment gives your doctor a complete picture of your emotional state. It also looks at how well you are able … problems at school, work, or home. For example, it may be used to find out if a child has a learning disability , …
Medical tests
… response in a person. Skin tests are usually done because they are rapid, reliable, and generally less expensive … or Pharmacia CAP), may be used to provide more information. Your allergy test results may show that allergy treatment is a choice for you. Why It Is Done Allergy testing is done to find out what …
