305 results found
Medical tests
… baby has the enzyme needed to use phenylalanine in their body. Phenylalanine is an amino acid that is needed for … tyrosine, the phenylalanine level builds up in the baby's blood and can cause brain damage, seizures, and intellectual … disease, you must inherit the gene from each parent. The blood sample for PKU is usually taken from your baby's heel …
Medical tests
… (iris). The doctor can also see the front part of the thick fluid (vitreous gel) that fills the large space in the … the iris and cornea (hyphema) from a sudden break in a blood vessel or as a result of an injury to the eye. Signs … the iris and cornea (hyphema) from a sudden break in a blood vessel or as a result of an injury to the eye. Signs …
Medical tests
… Test Overview A cold agglutinins blood test is done to check for conditions that cause the body to make certain types of antibodies called cold … the immune system in response to infection. They cause red blood cells to clump together (agglutinate) at low …
Medical tests
… particle (ion) that contains the mineral phosphorus. The body needs phosphorus to build and repair bones and teeth, … not get toilet paper, pubic hair, stool (feces), menstrual blood, or anything else in your urine sample. How It Feels … Severe malnutrition. Calcium (Ca) in Blood Test Medical Tests: Questions to Ask the Doctor …
Medical tests
… (ALP) test measures the amount of the enzyme ALP in the blood. ALP is made mostly in the liver and in bone with some … bones. Some conditions cause large amounts of ALP in the blood. These conditions include rapid bone growth (during … spread (metastasized) to the liver from another part of the body. High ALP levels can be caused by bone diseases, such …
Medical tests
… Information Test Overview The hepatitis A virus test is a blood test that shows if you have a hepatitis A infection … it in the past. The test looks for antibodies made by the body to fight the virus. They will be in your blood if you have a hepatitis A infection now or have had …
Medical tests
… Overview For a giardia antigen test, a stool sample or fluid from the upper part of the intestines (duodenal fluid) is tested in the lab for the presence of antigens … . … Overview For a giardia antigen test, a stool sample or fluid from the upper part of the intestines (duodenal fluid) …
Medical tests
… The oral glucose tolerance test (OGTT) measures the body's ability to use a type of sugar, called glucose, that … strenuous exercise for at least 8 hours before your first blood sample is taken. (You can drink water before the test.) How It Is Done A blood sample is taken when you arrive for the test. This is …
Medical tests
… A magnesium test checks the level of magnesium in the blood. Magnesium is an important electrolyte needed for … muscle, nerve, and enzyme function. It also helps the body use energy and is needed to move other electrolytes … Only a tiny amount of magnesium is normally present in the blood. Tests for other electrolytes, such as calcium, …
Medical tests
… tests are done to find certain antibodies that attack red blood cells. Antibodies are proteins made by the immune … cause antibodies to be made. Transfusion reaction Human blood is typed by certain markers (called antigens ) on the … the baby's red blood cells in future pregnancies. This antibody response is called Rh sensitization and, depending on …
