328 results found
Medical tests
… (CO2) is a gaseous waste product from metabolism . The blood carries carbon dioxide to your lungs, where it is … of the test. Your doctor will tell you if you should stop taking any of them before the test and how soon to do it. … normal for you. Results are usually ready in 1 to 2 days. High values A high level may be caused by: Vomiting. …
Medical tests
… Test Overview An iron test checks the amount of iron in the blood. Iron (Fe) is a mineral needed for hemoglobin, the … iron-binding capacity (TIBC), and transferrin saturation. High and low values The values for serum iron, total … or another condition. The values are also used to see if a high amount of iron is caused by hemochromatosis or another …
Medical tests
… Risks Results Test Overview A ferritin blood test checks the amount of ferritin in the blood. … 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 …
Medical tests
… Test Overview A hemoglobin electrophoresis test is a blood test done to check the different types of hemoglobin … hemoglobin A levels to be low and hemoglobin F levels to be high. Hemoglobin F (fetal hemoglobin). This type is normally … , and leukemia , have abnormal types of hemoglobin and higher amounts of hemoglobin F. Hemoglobin A2. This is a …
Medical tests
… checks the level of this male hormone (androgen) in the blood. Testosterone affects sexual features and development. … levels vary throughout the day. They are usually highest in the morning and lowest in the evening. Why It Is … Being very overweight, having long-term (chronic) pain, or taking some pain medicines can lower the level of sex …
Medical tests
… Information Test Overview A parathyroid hormone (PTH) blood test measures the level of parathyroid hormone in the … 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 …
Medical tests
… This is a measure of the acidity (low pH ) or alkalinity (high pH) of the semen. White blood cell count. White blood cells are not usually present … days before the test. Be sure to tell your doctor about any medicines or natural health products you take. How It Is …
Medical tests
… An ammonia test measures the amount of ammonia in the blood. Most ammonia in the body forms when protein is broken … 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 …
Medical tests
… and how soon to do it. If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it … collected (pleural space). You may feel some mild pain or pressure as the needle enters the pleural space. Your doctor … (PE) . If an infection is present, the exudate will have a high WBC count, a high LDH enzyme level, a high protein …
Medical tests
… (ALT) test measures the amount of this enzyme in the blood. ALT is found mainly in the liver, but also in smaller … disease. Keep track of the effects of cholesterol-lowering medicines and other medicines that can damage the liver. How … for you. Results are usually available within 12 hours. High values High levels of ALT may be caused by: Liver …
