329 results found
Medical tests
… if a person has a chance of getting certain diseases that cause the body to attack its own cells, such as autoimmune … as a history of cancer, infections, high-risk behaviours, use of drugs, exposure to toxins, and foreign travel. This … important in understanding whether your donor tissue can be used. How It Is Done A health professional uses a needle to …
Medical tests
… is the removal of fluid from behind the eardrum. The doctor uses a special needle with a tube attached to collect the … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of …
Medical tests
… against sperm in blood, vaginal fluids, or semen. The test uses a sample of sperm and adds a substance that binds only to affected sperm. Semen can cause an immune system response. The antibodies can damage or … fully understood but may affect fertility. This is a rare cause of infertility . Results The higher the level of …
Medical tests
… a lower gastrointestinal (GI) examination. The test is used to help find diseases and other problems that affect … inserted into the anus. The barium blocks X-rays. This causes the barium-filled colon to show up clearly on the X-ray … colitis and Crohn's disease . A barium enema also may be used to keep track of the progress of these diseases. Find …
Medical tests
… you wear them). Several types of visual acuity tests may be used. Refraction test. This test shows your level of … the nerve layer ( retina ) at the back of the eye. This causes blurred vision. Refraction is done as a routine part of … corrected by glasses. Visual field tests. These tests are used to check for gaps in your side (peripheral) vision. …
Medical tests
… Test Overview An echocardiogram (also called an echo) uses sound waves to make an image of your heart. A device … Is Done This test is done to check your heart health. It's used for many reasons. For example, it may be done to: Check a heart murmur. Look for the cause of shortness of breath or unexplained chest pains. Check …
Medical tests
… Some diseases, such as severe forms of thalassemia , may cause hemoglobin A levels to be low and hemoglobin F levels to … F (fetal hemoglobin). This type is normally found in fetuses and newborn babies. Hemoglobin F is replaced by … may be found by an electrophoresis test. Electrophoresis uses an electrical current to separate normal and abnormal …
Medical tests
… also check for an enzyme called creatine kinase (CK). Because some of these proteins and enzymes are also found in … syndrome . Check for injury to the heart from other causes, such as an infection. How To Prepare No special … the results will mean. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… looks for the genetic material ( RNA ) of the virus that causes hepatitis or for the proteins ( antibodies ) the body … now or have had one in the past. Different tests are used to get this information. It's important to identify the … doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… the cervical mucus. This test is not done very often because there are other fertility tests that give more … . Results Sperm mucus penetration test This test uses donor sperm and the male partner's sperm. Both sperm … woman's cervical mucus. Donor cervical mucus may also be used with the woman's cervical mucus. There may be a problem …
