329 results found
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
… 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
… at the same time. A procedure called catheter ablation uses the catheters to destroy (ablate) small areas of your … the problem. Why It Is Done An electrophysiology study is used to check your heart's electrical system. For example, … vessel toward your heart. Usually several catheters are used. The doctor moves the catheters into various places in …
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
… up to 3-4 days after a possible overdose. Check for drug use in the workplace. Testing is common for people who work … screen as part of the hiring process. Check for drug use in people going through a drug treatment program. Look for the use of drugs that enhance athletic ability. Check for the …
Medical tests
… 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 … for Birth Defects? How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. … defects, such as spina bifida, in up to 80 out of 100 fetuses who have it. It finds anencephaly in about 95 out of …
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 …
