329 results found
Medical tests
… Test Overview A swallowing study is a test that shows what your throat and esophagus do while you swallow. The test uses X-rays in real time (fluoroscopy) and records what …
Medical tests
… long it takes blood to clot. A prothrombin time test can be used to check for bleeding problems. PT is also used to … time tests, no matter the testing method. It lets your doctor understand results in the same way even when … or bruising. Check the effects of warfarin (Coumadin). You will have the test regularly to make sure you are taking …
Medical tests
… A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and after it has been stressed. It … by a heart attack. A set of pictures will be made when you are at rest and after your heart has been stressed, … It Is Done A cardiac perfusion scan is done to: Find the cause of unexplained chest pain or pressure. Find the cause of …
Medical tests
… can include infection (such as from parasites , viruses , or bacteria ), poor nutrient absorption, or cancer. … Prepare Many medicines can change the results of this test. You will need to avoid certain medicines depending on which kind of stool analysis you have. You may need to stop taking medicines such as …
Medical tests
… middle sections of the gastrointestinal tract . The test uses barium contrast material , fluoroscopy , and X-ray . Before the test, you drink a mix of barium (barium contrast material) and … The barium is often combined with gas-making crystals. Your doctor watches the barium move through your esophagus, …
Medical tests
… these smaller parts to find a health problem. CK might be used to help diagnose a heart attack. This topic focuses on … types of cancer. 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
… helps carry certain hormones that regulate the way the body uses energy and other substances through the blood. When … normal, it may be a sign of a poor diet (malnutrition). Your doctor may use the results of this test to make changes in your diet. He or she also may use the results to see how …
Medical tests
… Test Overview A salivary gland scan uses a special camera and a tracer (radioactive chemical) to take pictures of the salivary glands . This can help your doctor find the cause of dry mouth ( xerostomia ) or … gland scan, the tracer liquid is put into a vein ( IV) in your arm. The tracer moves through your blood and into the …
Medical tests
… Sleep studies are tests that record what happens to your body during sleep. The studies are done to find out what's causing your sleep problems. Sleep studies can also find out if you … lab. But they also can be done with portable equipment you use at home. Common sleep studies The most common sleep …
Medical tests
… Why It Is Done The carcinoembryonic antigen (CEA) test is used to monitor a person before and during treatment. Along … or come back. 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 …
