321 results found
Medical tests
… It Is Done How It Feels Risks Results What Affects the Test Related Information Test Overview A reticulocyte … 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 …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview The overnight … a dose of dexamethasone, cortisol levels often stay very high in people who have Cushing's syndrome. Sometimes other … obesity, kidney failure, pregnancy, and uncontrolled diabetes. The night before the blood test, you will take a …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A cold agglutinins blood … cause red blood cells to clump together (agglutinate) at low temperatures. Healthy people generally have low levels … , can cause the level of cold agglutinins to rise. Higher-than-normal levels of cold agglutinins generally do …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview The serum protein … of the protein in blood serum is albumin. Alpha-1 globulin. High-density lipoprotein (HDL), the "good" type of … kidney disease High beta globulin: Very high cholesterol; low iron (iron-deficiency anemia) High gamma globulin: …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A stool analysis is a … a barium enema or upper gastrointestinal series (barium swallow). Barium can interfere with test results. Travelled in … related to your symptoms and past health. Abnormal values High levels of fat in the stool may be caused by diseases …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A growth hormone (GH) test … -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 … should also be high. High GH levels may also be caused by diabetes , kidney disease, or starvation. These conditions …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A lung scan is a type of … embolism . This is a blood clot that prevents normal blood flow in the lung. Two types of lung scans are usually done … that you have a blood clot. More tests may be needed. High probability. The results show a high likelihood of a …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A rheumatoid factor (RF) … can attach to normal body tissue and cause damage. A high level of RF can be caused by several autoimmune … more clumping occurs. This causes a cloudier sample and allows less light to pass through the tube. Why It Is Done A …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview An aspartate … was called serum glutamic oxaloacetic transaminase (SGOT). Low levels of AST are normally found in the blood. When body … 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 …
Medical tests
… How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A prostate-specific … part of the male reproductive system. Healthy people have low amounts of PSA in the blood. The amount of PSA in the … done to: Screen for prostate cancer. If your PSA level is higher than expected, your doctor may suggest other tests, …
