329 results found
Medical tests
… is made by the placenta during pregnancy. The test can be used to see if a woman is pregnant. HCG can be found in the … hCG goes up early in pregnancy can give information about your pregnancy and the health of your baby. Soon after delivery, hCG can no longer be found …
Medical tests
… Hepatitis B tests are blood tests that show whether you have an active hepatitis B infection. The tests can also show if you had the infection in the past. The tests look for … of infection: Antigens , which are made by bacteria or viruses. Antibodies , which are made by the body to fight …
Medical tests
… defects in a fetus . It's done to find birth defects caused by an abnormal number of chromosomes . It also can … this screening test is positive, it means there is a chance your baby has a birth defect. In that case, your doctor may suggest that you have a diagnostic test, …
Medical tests
… in an electrical field. Serum protein electrophoresis uses an electrical field to separate the proteins in the … poor nutrition. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… Thick and Thin Blood Smears for Malaria—Overview Doctors use thick and thin blood smears to determine whether you have malaria. If one test is negative and no parasites are found, you will have repeated blood smears every 8 hours for a …
Medical tests
… of muscles when they're at rest and when they're being used. Nerve conduction studies measure how well and how fast … cause the muscles to react in ways that aren't normal. If you have leg pain or numbness, you may have these tests to find out which nerves are being …
Medical tests
… that indicate mononucleosis (mono), which is usually caused by the Epstein-Barr virus (EBV) . The antibodies are … different types of antibodies to help determine whether you were infected recently or sometime in the past. Why It … mono. The EBV antibody test can help determine whether you have ever been infected with the virus and whether the …
Medical tests
… if a person has a chance of getting certain diseases that cause the body to attack its own cells, such as autoimmune … diseases. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. If you are donating tissue or …
Medical tests
… wall send a message to the spinal cord and brain that you need to urinate. In response, your spinal cord sends a signal for the bladder to contract … this nerve pathway or the muscles of the bladder wall can cause bladder dysfunction. During cystometry, your bladder is …
Medical tests
… Fetal ultrasound is a test done during pregnancy that uses reflected sound waves. It produces a picture of the … an echogram, or a scan. They may be saved as part of your baby's record. Fetal ultrasound can be done two ways. … a small hand-held device called a transducer is moved over your belly. In a transvaginal ultrasound, a transducer is …
