329 results found
Medical tests
… looks for the genetic material ( RNA ) of the virus that causes hepatitis or for the proteins ( antibodies ) the body makes against HCV. These proteins will be present in your blood if you have a hepatitis C infection now or have had one in the …
Medical tests
… Test Overview An echocardiogram (also called an echo) uses sound waves to make an image of your heart. A device called a transducer sends sound waves that echo off your heart and back to the transducer. These echoes are …
Medical tests
… disease is a problem that happens when gluten in food causes your immune system to attack the lining of your small intestine. As part of this mistaken attack, your …
Medical tests
… difficile (C. diff) are bacteria that live in your large intestine, or colon, all the time. They usually don't cause problems. But sometimes, something causes the bacteria … to see if those toxins are present. A positive result means you need treatment for colitis. Why It Is Done The test is …
Medical tests
… diseases measure the amount of certain antibodies in your blood. Your body makes antibodies to attack and destroy substances such as bacteria and viruses. But in autoimmune diseases, the antibodies attack and …
Medical tests
… Overview A chloride test measures the level of chloride in your blood or urine. Chloride is one of the most important … It helps keep the amount of fluid inside and outside of your cells in balance. It also helps maintain proper blood … you have kidney or adrenal gland problems. Help find the cause for high blood pH. A condition called metabolic …
Medical tests
… Test Overview An extremity X-ray is a picture of your hand, wrist, arm, foot, ankle, knee, hip, or leg. It is … bone has been fractured or a joint dislocated . It is also used to check for an injury or damage from conditions such … are done to: Find the cause of pain in an extremity. See if your bone is fractured or your joint is dislocated. See if …
Medical tests
… mist and then coughing. During bronchoscopy , which uses a bronchoscope to look at the throat and airway. Why It … if the sputum sample is to be collected at home or in your doctor's office. Bronchoscopy sample Your doctor will tell you how soon before the procedure to …
Medical tests
… page: Test Overview Test Overview Radioactive tracers are used in imaging tests that help find problems inside the … such as the liver, lungs, kidneys, and gallbladder. Anytime you're exposed to radiation, there's a small chance of … the benefits of the test. Most of the tracer will leave your body through your urine or stool within a day. So be …
Medical tests
… Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to make sure that you are … Why It Is Done Seizure medicines are usually monitored because: At a low blood level, they don't control seizures as …
