327 results found
Medical tests
… First-Trimester Screening for Birth Defects On this page: Test … Overview During the first trimester of pregnancy, screening tests for birth defects may be done. These tests look for … villus sampling (CVS) or an amniocentesis test in the second trimester to find out if your baby has a problem. But …
Medical tests
… test, or hemoglobin A1c, is a blood test that checks the amount of sugar (glucose) bound to the hemoglobin … can affect the lifespan of red blood cells, such as the second or third trimester of pregnancy, a recent blood loss … for problems. Why It Is Done The A1c test is one of the tests used to diagnose prediabetes and diabetes. If you have …
Medical tests
… Viral Tests On this page: Test Overview Why It Is Done How To … done to: Find a viral infection that is causing symptoms. Check a person after exposure to a virus. For example, a … that get higher over 3 weeks from the first sample to the second mean the infection occurred recently. Viral test …
Medical tests
… Vision Tests On this page: Test Overview Why It Is Done How To … Results Test Overview Vision tests check many different functions of the eye. Some of the tests … usually 20 ft (6 m) when using a typical wall chart. The second number is the distance from which people with normal …
Medical tests
… Toxicology Tests On this page: Test Overview Why It Is Done How To … Information Test Overview A toxicology test ("tox screen") checks for drugs or other chemicals in your blood, urine, or … skin or a mucous membrane . In rare cases, a tox screen may check your stomach contents or sweat. A tox screen may check …
Medical tests
… Hearing Tests On this page: Test Overview Why It Is Done How To … a response. Why It Is Done Hearing tests may be done: To check, or screen, babies and young children for hearing … for all babies born in hospitals. Also, many health groups and doctors' groups suggest routine screening. Talk to …
Medical tests
… event such as a heart attack or a burn. Myoglobin can be checked with a blood test or a urine test. Levels in the … arm. Urine test You will need a clock that measures time in seconds. You will also need wipes or towelettes to clean … may still be normal for you. Medical Tests: Questions to Ask the Doctor Current as of: …
Medical tests
… Nicotine Tests On this page: Topic … who doesn't use tobacco but has been exposed to a lot of second-hand smoke. If you no longer smoke but are using a … who doesn't use tobacco but has been exposed to a lot of second-hand smoke. If you no longer smoke but are using a … Medicine & Lisa S. Weinstock MD - Psychiatry … Nicotine Tests …
Medical tests
… Esophagus Tests On this page: Test Overview Why It Is Done How To … food and liquid down to the stomach. Esophagus tests can check how well the muscles in the tube work, how strong the … common tests include: pH monitoring (acidity test). This checks the acid content (pH) in the esophagus. A low pH for …
Medical tests
… Herpes Tests On this page: Test Overview Health Tools Why It Is … or sores are present, a sample from a sore can be tested to check if it is caused by the herpes virus. HSV testing may … arm. Rapid tests are available at some clinics. These tests check blood from a finger stick for antibodies to HSV-2. The …
