329 results found
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 … to eat or drink for 10 to 12 hours before an ACTH test. Your doctor may ask you to eat low-carbohydrate foods for 48 …
Medical tests
… takes pictures of the organs and other structures in your upper belly. It uses sound waves to show images on a … to send bile to the bowels (intestines) . The bile helps your body digest food and absorb vitamins that dissolve in … Kidneys . This pair of organs is in the upper part of your belly, but toward your back. The kidneys remove wastes …
Medical tests
… may be asked to drink water right before the test so that your bladder is full. How It Is Done This test is done in an … may be asked to drink water right before the test so that your bladder is full. You may need to take off all or most of your clothes, depending on which part of the body is being …
Medical tests
… . Mammograms can find tumours that are too small for you or your doctor to feel. There are several types of mammograms . … images of the breast into an electronic file. This allows your doctor to see different views of the breast without … stage. Mammograms don't prevent breast cancer or reduce your risk of developing cancer. But from ages 40 to 70, …
Medical tests
… measures the amount of a type of sugar, called glucose, in your blood. Glucose comes from carbohydrate foods . It is … of energy used by the body. Insulin is a hormone that helps your body's cells use the glucose. Insulin is produced in … when the amount of glucose in the blood rises. Normally, your blood glucose levels increase slightly after you eat. …
Medical tests
… for the proteins troponin I (TnI) and troponin T (TnT). If your heart muscle is injured, such as from a heart attack , … Cardiac enzyme studies must always be compared with your symptoms, your physical examination findings, and other test results. …
Medical tests
… each parent. The blood sample for PKU is usually taken from your baby's heel (called a heel stick). The test is done in … to use phenylalanine in their body. If this test shows that your baby has a phenylalanine problem, the doctor will do further testing to check whether your baby has PKU. It's important for your baby to have this …
Medical tests
… 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 information helps guide your …
Medical tests
… This protein measures general levels of inflammation in your body. The hs-CRP can be used to find the risk for heart … may mean a higher-than-normal risk of heart problems. If your risk for heart problems is high, your doctor may recommend lifestyles changes or medicine to …
Medical tests
… diseases measure the amount of certain antibodies in your blood. Your body makes antibodies to attack and destroy substances … in autoimmune diseases, the antibodies attack and destroy your body's tissues. This can lead to diseases such as …
