304 results found
Medical tests
… Blood Alcohol Test On this page: Test Overview Why It Is … drink. The amount of alcohol in the blood reaches its highest level about an hour after drinking. But food in the … starting at levels as low as 0.05. Legal limits are set lower for drivers who are not fully licensed. Blood alcohol …
Medical tests
… Cortisol in Blood Test On this page: Test Overview Why It Is Done How To … 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 …
Medical tests
… Phosphate in Blood Test On this page: Test Overview Why It Is Done How To … by the kidneys and passes out of the body in the urine. A high level of phosphate in the blood is usually caused by a … at the puncture site. Results Phosphate levels are usually higher in children than in adults. That's because of the …
Medical tests
… Blood Type Test On this page: Test Overview Why It Is Done … It Feels Risks Results Test Overview Blood type tests are done before a person gets a blood transfusion and to check a pregnant woman's blood …
Medical tests
… Calcium (Ca) in Blood Test On this page: Test Overview Why It Is Done How To … back to a good blood level. When blood calcium levels get high ( hypercalcemia ), the extra calcium is stored in the … still be normal for you. Normal blood calcium values are lower in older people. You may also have values for an …
Medical tests
… may not be getting the oxygen it needs. If the count is too high (a condition called polycythemia), there's a chance … include dehydration , diarrhea or vomiting, excessive sweating, and the use of diuretics . The lack of fluid in the … the bone marrow. Low values Red blood cells (RBC). Anemia lowers RBC values. Anemia can be caused by heavy menstrual …
Medical tests
… Home Blood Sugar Test On this page: Test Overview Why It Is Done … medicines, and other activities. Testing before and after eating can help you adjust what you eat. Some types of … testing. It is important to know when your blood sugar is high or low, to prevent emergency situations from …
Medical tests
… Sodium (Na) in Blood Test On this page: Test Overview Why It Is Done How To … in the body. Find the cause of symptoms from low or high levels of sodium. Check on the progress of diseases of … sodium levels (hyponatremia) can be caused by a lot of sweating, burns, severe vomiting or diarrhea, drinking too …
Medical tests
… Uric Acid in Blood Test On this page: Test Overview Why It Is Done How To … normally, the level of uric acid in the blood increases. High levels of uric acid in the blood can cause solid … nearby tissues, forming hard lumpy deposits called tophi . High levels of uric acid may also cause kidney stones or …
Medical tests
… Cardiac Blood Pool Scan On this page: Test Overview Why It Is Done … chambers ( ventricles ). Check the pumping action of the lower ventricles. Look for an abnormality in the wall of the … chambers ( ventricles ). Check the pumping action of the lower ventricles. Look for an abnormality in the wall of the …
