329 results found
Medical tests
… hair analysis can be done to help identify a person who may have been present at a crime scene. Hair samples are tested … were used up to 3 months before the test. How To Prepare If you have a hair analysis done, the lab will give you … months before the test. How It Feels There is generally no pain or discomfort associated with this test. But if you …
Medical tests
… by ultrasound. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you … takes about 30 minutes. How It Feels Most people don't feel pain during the test. But keeping your neck extended during …
Medical tests
… ABO and Rh tests. ABO test The ABO test shows that 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 …
Medical tests
… Feels Test Overview A non-stress test is a test that checks your baby's heartbeat patterns. It can show heart rate changes when the baby moves. It also shows changes when you have … there isn't much movement, it can be because the baby is asleep. If this happens during your test, the doctor or …
Medical tests
… The hepatitis A virus test is a blood test that shows if you have a hepatitis A infection now or had it in the past. The … 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
… of cells from the surface of the cervix is collected by your doctor. The sample is then spread on a slide (Pap … increase your risk. Talk to your doctor about how often to have this test. Cervical cancer is often caused by a … of the cervix . Finding these changes and treating them when needed will greatly lower your chance of getting …
Medical tests
… Test Overview Celiac disease is a problem that happens when gluten in food causes your immune system to attack the lining of your small … proteins called antibodies . If your doctor thinks you may have celiac disease, he or she will order a simple blood …
Medical tests
… is a blood test that measures a substance that is released when a blood clot breaks up. Doctors order the d-dimer test, … It Is Done Doctors use the d-dimer test when a person might have a dangerous blood-clotting problem. These problems … from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might …
Medical tests
… (ANA) test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune … system attacks and destroys the body's normal tissues. When a person has an autoimmune disease, the immune system … syndrome . How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you …
Medical tests
… alcohol test measures the amount of alcohol (ethanol) in your body. Alcohol is quickly absorbed into the blood and … breath. Alcohol has a noticeable effect on the body, even when consumed in small amounts. In large amounts, alcohol … form may be required, but refusing to take the test may have legal consequences. Why It Is Done A test for blood …
