329 results found
Medical tests
… substance in liquid form) to look at organs or bones in the body. During the test, the tracer is put into a vein (intravenous, or IV ) in your arm. Sometimes it's taken by mouth or inhaled through the nose. The tracer moves through your body, where it may collect in the specific organ or …
Medical tests
… particle (ion) that contains the mineral phosphorus. The body needs phosphorus to build and repair bones and teeth, … (PTH) regulates the levels of calcium and phosphorus in your blood. When the phosphorus level is measured, a vitamin … is measured at the same time. Vitamin D is needed for your body to take in phosphate. The relation between calcium …
Medical tests
… It takes weeks for a hair sample to show changes in the body, because hair grows slowly. Hair samples do not show … lab will give you specific instructions on how to prepare your hair. Hair preparation and the part of your body from which the hair is taken varies. In general, …
Medical tests
… the level of immunoglobulins, also known as antibodies , in your blood. Antibodies are substances made by the body's immune system in response to bacteria, viruses, … reactions. Occasionally, antibodies may be made against your own tissues. This is called an autoimmune disease . If …
Medical tests
… keep the water (the amount of fluid inside and outside the body's cells) and electrolyte balance of the body. Sodium is … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Urine sodium can be … sample is done at home. Timed urine collection You collect your urine for a period of time, such as over 4 or 24 hours. …
Medical tests
… helps balance the amounts of water and electrolytes in the body. (Water is the amount of fluid inside and outside the … and the amount of potassium you eat. The hormone levels in your body, severe vomiting, and taking certain medicines … diet has enough potassium for the body's needs. But if your levels get low, it can take some time for your body to …
Medical tests
… Overview An autopsy is a thorough medical examination of a body after death. It may be done to learn about a disease or … will allow the doctor doing the examination to answer your questions about the death. How It Is Done Before the … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information …
Medical tests
… cells , white blood cells , and platelets . A CBC helps your doctor check any symptoms that you may have, such as … cell (WBC, leukocyte) count. White blood cells protect the body against infection. If an infection develops, white … blood vessels (capillaries). This also makes it hard for your red blood cells to carry oxygen. Hematocrit (HCT, …
Medical tests
… is a surgical procedure that lets a doctor look inside your joints. The doctor uses a thin viewing tool called an … will give the medicine. A general anesthetic will make you sleep during the procedure. Your heart rate and rhythm, … you get a general anesthetic or deep sedation, you will be asleep. You won't feel anything. If you get a regional …
Medical tests
… test that measures the level of lactic acid made in the body. Most of it is made by muscle tissue and red blood … exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid test. These activities …
