329 results found
Medical tests
… Information Test Overview A genetic test checks the DNA of your cells. It can find changes in your genes or chromosomes that may cause a genetic illness. The results may tell you about your ancestry, your health, or your risk for certain …
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
… Test Overview Lung function tests check to see how well your lungs work. The tests can find lung problems, measure … or discomfort, tell the therapist right away. Risks For a healthy person, there's little or no risk in taking these … Normal Results are in the normal range for a person with healthy lungs. Abnormal Test results are outside of the …
Medical tests
… too little body fat. The test is one of the ways to measure healthy weight. People who are trying to become more fit and … to measure the thickness of fat at one or more places on your body. It is most accurate when a well-trained person … Results Experts have different opinions. But generally, healthy body fat is considered to be: 10% to 22% in adult …
Medical tests
… The barium is often combined with gas-making crystals. Your doctor watches the barium move through your esophagus, … Belly pain that is relieved or gets worse while eating. Severe heartburn or heartburn that occurs often. How … 2 or 3 days before the test. You may also be asked to stop eating for 12 hours before the test. Your doctor will tell …
Medical tests
… the blood (such as electrolytes ). A chemistry screen tells your doctor about your general health, helps look for certain problems, and … chemistry screen you have done depends on what information your doctor is looking for. A chemistry screen may include …
Medical tests
… only a very low level) is generally found in the blood of healthy men or healthy, non-pregnant women. The level of AFP in the blood … Screening tests are used to see what the chance is that your baby has a certain birth defect. If a screening test is …
Medical tests
… Test Overview A ketone test checks for ketones in your blood or urine. Ketones are substances that are made … low-carbohydrate or high-fat diet. Are starving or have an eating disorder, including disorders that result in poor … low-carbohydrate or high-fat diet. Are starving or have an eating disorder, including disorders that result in poor …
Medical tests
… through the digestive tract . After you chew and swallow your food, it moves into your stomach, where it is mixed with acid and digestive enzymes . After your food leaves your stomach, it is squeezed through your …
Medical tests
… takes pictures of the organs and other structures in your upper belly. It uses sound waves to show images on a … on the evening before the test. Then you may need to avoid eating for 8 to 12 hours before the test. For a test of the … test. This is to fill your bladder. You may need to avoid eating for 8 to 12 hours before the test to avoid gas …
