192 results found
Medical tests
… cortisol levels rise during the early morning hours and are highest about 7 a.m. They drop very low in the evening and … that isn't in the normal range may still be normal for you. High values A high level of cortisol in the blood can mean Cushing's …
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
… (TB). The test is done by putting a small amount of TB protein ( antigens ) under the top layer of skin on your … of the test depend on your risk for TB. If you are at higher risk, a smaller bump is considered a sign of … of the test depend on your risk for TB. If you are at higher risk, a smaller bump is considered a sign of …
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
… 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
… test measures the amount of this enzyme in a blood sample. High amounts of lipase may be found in the blood when the … that isn't in the normal range may still be normal for you. High values A high lipase level may be caused by: Diseases of the pancreas …
Medical tests
… for energy and makes lactic acid. Lactic acid levels get higher when strenuous exercise or other conditions—such as … oxygen throughout the body. Lactic acid levels can also get higher when the liver is severely damaged or diseased, … because the liver normally breaks down lactic acid. Very high levels of lactic acid cause a serious, sometimes …
Medical tests
… of FSH varies throughout a woman's menstrual cycle and is highest just before she releases an egg (ovulates). In men, … with you in relation to your symptoms and past health. High values High FSH values in a woman may mean: A genetic disease is …
