147 results found
Medical tests
… a dose of dexamethasone, cortisol levels often stay very high in people who have Cushing's syndrome. Sometimes other conditions can keep cortisol levels high during this test. Examples include alcohol use disorder … your blood will be measured. If your cortisol level stays high, Cushing's syndrome may be the cause. An ACTH test is …
Medical tests
… done to: Screen for prostate cancer. If your PSA level is higher than expected, your doctor may suggest other tests, … such as an enlarged prostate and prostatitis, can cause high PSA levels. Check if cancer may be present when results … Some men who have prostate cancer have normal PSA levels. High values High levels don't always mean that prostate …
Medical tests
… that isn't in the normal range may still be normal for you. High values Very high ferritin levels can mean a large buildup of iron in the … the body to store too much iron (acquired hemochromatosis). High ferritin levels may also be caused by Hodgkin disease , …
Medical tests
… prematurely, such as hemolytic anemia . Also, being at high altitudes may cause reticulocyte counts to rise, to help you adjust to the lower oxygen levels at high altitudes. Why It Is Done A reticulocyte count is done … to see if treatment for anemia is working. For example, a higher reticulocyte count means that iron replacement …
Medical tests
… or abdominal pain. These symptoms often happen with high blood sugar and may mean you have diabetic ketoacidosis … is sick. Monitor a person on a low-carbohydrate diet and/or high-fat diet. Monitor a person who is not able to eat due … or urine to a chart to find out if ketones are present. High values You may have ketones if you: Have poorly …
Medical tests
… B12 deficiency is working. See if the folate level is high enough to prevent certain birth defects. How To Prepare … that isn't in the normal range may still be normal for you. High values High levels of folate in the blood may mean that you eat a …
Medical tests
… severe damage, AST levels rise in 6 to 10 hours and remain high for about 4 days. The AST test may be done at the same … for you. Results are usually available within 12 hours. High values High levels of AST may be caused by: Liver damage from …
Medical tests
… more calcium and phosphorus. If the calcium level is too high, the parathyroid glands release less PTH, and the whole process is reversed. PTH levels that are too high or too low can cause problems with the kidneys and … that isn't in the normal range may still be normal for you. High values High PTH levels may be caused by: A parathyroid …
Medical tests
… failure. Check the level of ammonia in a person receiving high-calorie intravenous (IV) nutrition (hyperalimentation). … that isn't in the normal range may still be normal for you. High values High levels of ammonia in the blood may be caused by: Liver …
Medical tests
… creatinine level shows how well your kidneys are working. A high level may mean that your kidneys aren't working as they … on the amount of muscle tissue you have. Men generally have higher creatinine levels than women. Creatinine clearance A … levels to rise more than creatinine levels. This causes a high BUN-to-creatinine ratio. Kidney disease or blocked …
