329 results found
Medical tests
… Overview Fertility awareness is a way to check the changes your body goes through during your menstrual cycle . (It's … abstinence.) Learning about these changes can help you know when you ovulate . You can then time sexual intercourse to … mucus becoming clear and stretchable until the day it becomes cloudy and sticky. Do not test your mucus right after …
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 … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… is usually done on the sample of fluid. Before the test, your child may get medicine to help relax. Or a doctor or … This procedure is not often done. It is sometimes done: When a child has severe earache, fever, and signs that an ear infection is not getting better with treatment. When there are signs that a child has serious complications …
Medical tests
… are done to: Monitor how the HIV infection is affecting your immune system. Help diagnose acquired immune deficiency … for other infections ( opportunistic infections ). Decide when to start treatment to prevent opportunistic infections, … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… people have one of four blood types: A, B, AB, or O. If your red blood cells have: The A antigen. You have type A … is called a transfusion reaction, and it occurs immediately when incompatible blood is transfused. A transfusion … problem can occur when a woman who has Rh-negative blood becomes pregnant with a baby (fetus) that has Rh-positive …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done You will need to … A series of X-ray pictures is usually taken from the front, back, top, and sides of your head. Hold your head completely still while the …
Medical tests
… 24 hours. Uric acid is made from the natural breakdown of your body's cells. It's also made from the foods you eat. … period. You start collecting your urine in the morning. When you first get up, empty your bladder. But do not save … your fingers. Keep the large container in the refrigerator when you aren't using it. Empty your bladder for the last …
Medical tests
… Most of it is made by muscle tissue and red blood cells . When the oxygen level in the body is normal, carbohydrate breaks down into water and carbon dioxide. When the oxygen level is low, carbohydrate breaks down for … exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid …
Medical tests
… get a blood transfusion, the transfused blood must match your type. That means the transfused blood must have the … the father has Rh-positive blood. Rh sensitization happens when the baby's blood mixes with the mother's blood during … response is called Rh sensitization and, depending on when it happens, can destroy the red blood cells of the baby …
Medical tests
… is normally found in the blood and filtered by the kidneys. When the kidneys are working as they should, there may be a very small amount of albumin in the urine. But when the kidneys are damaged, abnormal amounts of albumin … is done to check for albumin in the urine. It helps tell your doctor how well your kidneys are working. This test is …
