329 results found
Medical tests
… bind to foreign substances, such as bacteria and viruses, and cause them to be destroyed. The following … sensitization happens when the baby's blood mixes with the mother's blood during pregnancy or delivery. This causes the mother's …
Medical tests
… to hemoglobin in red blood cells . The rest is bound to other proteins, such as transferrin or ferritin, or stored … liver and spleen. In the bone marrow, iron is stored and used as needed to make new red blood cells. The source of … The body needs more iron at times of growth (such as during adolescence), for pregnancy, during breastfeeding, or …
Medical tests
… are often higher in people who have allergies or asthma. Other lab testing methods, such as radioallergosorbent … wheat, or shellfish). Find out whether a person may have a drug allergy or be allergic to insect venom. Blood test A … Clean the test site (usually on your back or arm) with alcohol. Place drops of the allergens on your skin about 2.5 …
Medical tests
… is making enough antidiuretic hormone (ADH) . Find the cause of seizures or coma. In severe cases, these can be … Find out if you have swallowed a poison, such as rubbing alcohol, wood alcohol, or antifreeze. How To Prepare In … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may …
Medical tests
… your throat and esophagus do while you swallow. The test uses X-rays in real time (fluoroscopy) and records what … the area being X-rayed. You may be given a gown to wear during the test. A lead shield will be placed over your … swallow. A sweet flavour, like chocolate or strawberry, is used to make it easier to drink. Risks The barium in the …
Medical tests
… blood tests that measure lipids—fats and fatty substances used as a source of energy by your body. Lipids are found in … LDL cholesterol level. This is the "bad" cholesterol. Other measurements that may be done include: … not always needed, but it may be recommended. Do not drink alcohol for 24 hours before the test. Why It Is Done …
Medical tests
… lab. But they also can be done with portable equipment you use at home. Common sleep studies The most common sleep … thinks that you may have shift work sleep disorder or another problem with your body's internal clock ( circadian … naps on the day of your test. Tell your doctor about any drugs you are taking. You may be asked to stop taking …
Medical tests
… is a blood test that may be done at 15 to 22 weeks of pregnancy. It's used to look for possible problems with your baby. The quad … Estriol (uE3). This is a form of estrogen that increases during pregnancy. It's made in large amounts by the …
Medical tests
… Overview A thyroid-stimulating hormone (TSH) blood test is used to check for thyroid gland problems. TSH is produced … (T4) are needed for normal growth of the brain, especially during the first 3 years of life. A baby whose thyroid gland … hypothyroidism is due to a damaged thyroid gland or some other cause (such as a problem with the pituitary gland or …
Medical tests
… of the lower back (lumbar vertebrae) and a view of the 5 fused bones at the bottom of the spine (sacrum). … or dislocations . Check the spine for effects from other problems, such as infections, tumours, or bone spurs. … is examined. You will be given a cloth or paper gown to use during the test. You may be allowed to keep on your …
