329 results found
Medical tests
… 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 of cells, and they help keep your body working normally. Lipids include cholesterol , …
Medical tests
… glands then make a hormone called cortisol, which helps your body manage stress. Cortisol is needed for life, so its … ACTH levels may be tested in the morning or evening if your doctor thinks that they are abnormal. Cortisol levels … cortisol (one form of Cushing's syndrome ). How To Prepare You may not be able to eat or drink for 10 to 12 hours …
Medical tests
… challenge test, spirometry is done before and after you exercise on a treadmill or an exercise bicycle. Spirometry measures how much and how quickly you can breathe air in and out. An exercise challenge test … inhalation challenge test measures how much and how quickly you can breathe air in and out before and after taking …
Medical tests
… different types of antibodies to help determine whether you were infected recently or sometime in the past. Why It … mono. The EBV antibody test can help determine whether you have ever been infected with the virus and whether the … has been recent. EBV antibody testing is usually done when you have symptoms of infectious mononucleosis and a rapid …
Medical tests
… Doctors use the KOH preparation test to find out if you have a fungal infection. This kind of infection can … the solution that is used in the test. Why It Is Done Your doctor may do a KOH test to find out if you have one of these fungal infections: Ringworm of the …
Medical tests
… from metabolism . The blood carries carbon dioxide to your lungs, where it is exhaled. More than 90% of it in your blood exists in the form of bicarbonate (HCO3). The … carbon dioxide gas (CO2) or carbonic acid (H2CO3). Your kidneys and lungs balance the levels of carbon dioxide, …
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 …
Medical tests
… This protein measures general levels of inflammation in your body. The hs-CRP can be used to find the risk for heart … stroke. Why It Is Done This test may be done to find out if you have an increased chance of having a sudden heart … may mean a higher-than-normal risk of heart problems. If your risk for heart problems is high, your doctor may …
Medical tests
… Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to make sure that you are taking a …
Medical tests
… rapid bone growth (during puberty), bone disease (such as Paget's disease or cancer that has spread to the bones), a … Done The ALP test is done to: Check for liver damage when you're taking medicines that can damage the liver. Help look … or a vitamin D deficiency is working. How To Prepare If you are having a follow-up ALP test, you may be asked to not …
