329 results found
Medical tests
… of ammonia in the blood. Most ammonia in the body forms when protein is broken down by bacteria in the intestines . … disease, such as cirrhosis or hepatitis . Reye syndrome . Heart failure . Kidney failure . Severe bleeding from the … of the newborn ). Allen Test Medical Tests: Questions to Ask the Doctor Current as of: …
Medical tests
… Risks Results Test Overview Coombs tests are done to find certain antibodies that attack red … (called antigens ) on the surface of red blood cells . If you get a blood transfusion, the transfused blood must match … the father has Rh-positive blood. Rh sensitization happens when the baby's blood mixes with the mother's blood during …
Medical tests
… to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … iron. Too much iron in body organs, such as the pancreas or heart, can affect how the organ works. Low values Low … as psoriasis ) or in the urine. Medical Tests: Questions to Ask the Doctor Current as of: …
Medical tests
… a brownish yellow substance found in bile . It is produced when the liver breaks down old red blood cells. Bilirubin is … before the test. For children, there's generally nothing you have to do before this test, unless your doctor tells … may vary from lab to lab. Medical Tests: Questions to Ask the Doctor Current as of: …
Medical tests
… in the blood. Folate is one of many B vitamins. The body needs folate for normal growth and to make red blood cells … The amount of folate in red blood cells measures the level when the cell was made, as much as 4 months earlier. This … usually affected by the amount of folate and folic acid in your diet each day. Folate deficiency can result in a type …
Medical tests
… are needed to change galactose into glucose, a sugar that your body uses for energy. A person with galactosemia … so high levels of galactose build up in the blood or urine. When galactose builds up in a baby's blood, it can cause … to do anything to prepare for this test. How It Is Done Tests for galactosemia are done on a blood or urine sample. …
Medical tests
… D test measures the amount of vitamin D in the blood. Your body needs vitamin D to absorb calcium . Calcium keeps … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … enough vitamin D in your diet. Medical Tests: Questions to Ask the Doctor Current as of: …
Medical tests
… Test Overview A ketone test checks for ketones in your blood or urine. Ketones are substances that are made when the body breaks down fat for energy. Normally, your … ketones anywhere you may be by using home blood or urine tests. Why It Is Done A blood test analyzed by a laboratory …
Medical tests
… produced by cells, called G cells, in the stomach lining. When food enters the stomach, G cells trigger the release of … chew gum or smoke cigarettes for 4 hours before the test. You can drink as much water as you want up to 1 hour before … be caused by hypothyroidism . Medical Tests: Questions to Ask the Doctor Current as of: …
Medical tests
… insulin . This is because insulin and C-peptide are linked when first made by the pancreas. Insulin helps the body use … the cause of low blood sugar (hypoglycemia). How To Prepare Your doctor will give you instructions about eating and … for the person to survive. Medical Tests: Questions to Ask the Doctor Current as of: …
