329 results found
Medical tests
… Contraction Stress Test On this page: Test Overview Why It Is Done How To … are 34 or more weeks pregnant. During a contraction, the blood and oxygen supply to your baby drops for a short time. … problems when your baby is healthy. It can't find every type of problem, such as a birth defect. Using oxytocin also …
Medical tests
… Cortisol in Urine Test On this page: Test Overview Why It Is Done How To … not get toilet paper, pubic hair, stool (feces), menstrual blood, or anything else in your urine sample. How It Feels … are usually benign. This means they are not cancer. Some types of cancer, such as adrenal cancer and some rare lung …
Medical tests
… Electrophysiology Tests for the Eyes On this page: Test Overview Why It Is … vision loss that isn't found by a full-field ERG. Some types of retinitis pigmentosa . Electro-oculography (EOG) An … Follow your doctor's instructions about eating to avoid low blood sugar. Avoid caffeine within 12 hours of the test. …
Medical tests
… Home Pregnancy Tests On this page: Test Overview Why It Is Done How To … if they are used exactly as instructed. There are two basic types of home pregnancy tests. The most common types of home pregnancy tests use a test strip or dipstick …
Medical tests
… Evoked Potential Test On this page: Overview Why It Is Done Results Overview … Nerves from different areas of the body may be tested. Types of responses are: Visual evoked response or potential … arms and legs are stimulated by an electrical pulse. Each type of response is recorded from brain waves by using …
Medical tests
… Lactic Acid Test On this page: Test Overview Why It Is Done How To … Test Overview A lactic acid test is a blood test that measures the level of lactic acid made in the body. Most of it is made by muscle tissue and red blood cells . When the oxygen level in the body is normal, …
Medical tests
… Iron (Fe) Test On this page: Test Overview Why It Is Done How To … Test Overview An iron test checks the amount of iron in the blood. Iron (Fe) is a mineral needed for hemoglobin, the protein in red blood cells that carries oxygen. Iron is also needed for …
Medical tests
… Hepatitis A Virus Test On this page: Test Overview Why It Is Done How To … Information Test Overview The hepatitis A virus test is a blood test that shows if you have a hepatitis A infection … made by the body to fight the virus. They will be in your blood if you have a hepatitis A infection now or have had …
Medical tests
… Serum Osmolality Test On this page: Test Overview Why It Is Done How To … of chemicals dissolved in the liquid part (serum) of the blood. Chemicals that affect serum osmolality include … proteins, and sugar (glucose). This test is done on a blood sample taken from a vein. A substance called …
Medical tests
… Tilt Table Test On this page: Test Overview Why It Is Done How To … symptoms are caused by problems with your heart rate or blood pressure. How To Prepare You may be asked to not eat … are sensors that monitor your heart. You will also have a blood pressure cuff on your arm. And you may have an IV. …