175 results found
Medical tests
… (GGT) . Lactate dehydrogenase . Phosphate in blood. Potassium (K) in blood. Sodium (Na) in blood. Total serum … plan or lifestyle. To look for problems, such as a low or high blood glucose level that may be causing a specific … with water the morning of the test. Do not eat high-fat foods the night before the test. Do not drink alcohol before …
Medical tests
… of folate and folic acid in the diet. Folate is found in foods such as liver; citrus fruits; dark green, leafy … 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 …
Medical tests
… tract . Sometimes a test for gastrin is done after eating a high-protein diet or after receiving an injection of the … that isn't in the normal range may still be normal for you. High levels High gastrin levels may be caused by: Zollinger-Ellison …
Medical tests
… cortisol levels change throughout the day. ACTH is normally highest in the early morning (between 6 a.m. and 8 a.m.) and … A problem with the adrenal glands or pituitary gland. A high level of ACTH and a low level of cortisol (or low ACTH … ACTH test. Your doctor may ask you to eat low-carbohydrate foods for 48 hours before the test. Be sure to ask your …
Medical tests
… the amount of catecholamines in the blood. This causes high blood pressure, excessive sweating, headaches, fast … in the blood can change quickly, so it may be hard to find high values in a single blood sample. But a special … 24 hours. How To Prepare You may be asked to avoid certain foods and fluids for 2 to 3 days before having this test, …
Medical tests
… pressure, and pH of your body fluids. Tests for sodium, potassium, and bicarbonate are usually done at the same time … kidney or adrenal gland problems. Help find the cause for high blood pH. A condition called metabolic alkalosis can be … in the normal range may still be normal for you. Abnormal High chloride levels may be caused by: Dehydration , such as …
Medical tests
… glands to release too many hormones. And that can cause high blood pressure, excessive sweating, headaches, fast … tremors. How To Prepare You may be asked to avoid certain foods and fluids for 2 to 3 days before the test. They … that isn't in the normal range may still be normal for you. High values High levels of free catecholamines, …
Medical tests
… -like growth factor 1 (IGF-1). When the GH level is very high, the IGF-1 level is also very high. A test for IGF-1 may also be done. Why It Is Done A … that isn't in the normal range may still be normal for you. High values High GH values may mean gigantism or acromegaly …
Medical tests
… sunshine to make its own vitamin D. Vitamin D is found in foods such as egg yolks, liver, and saltwater fish. It is … that isn't in the normal range may still be normal for you. High values High levels of vitamin D can be caused by: Williams …
Medical tests
… D deficiency, or damaged liver cells. If the ALP level is high, more tests may be done to find the cause. The amounts … the blood may be measured and used to determine whether a high level is from the liver or bones. This is called an … goes up after eating, especially after you eat fatty foods. Tell your doctor ALL the medicines and natural health …
