329 results found
Medical tests
… the level of immunoglobulins, also known as antibodies , in your blood. Antibodies are substances made by the body's … cross the placenta in a pregnant woman to help protect her baby (fetus). IgM. IgM antibodies are the largest antibody. … Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood …
Medical tests
… : Blood antibody test. A blood test checks to see whether your body has made antibodies to H. pylori bacteria. If you have antibodies to H. pylori in your blood, it means you either are currently infected or … infection has been successful. Stomach biopsy. A small sample (biopsy) is taken from the lining of your stomach and …
Medical tests
… of pregnancy. It's used to look for possible problems with your baby. The quad screening measures the amounts of four things … Is Done A health professional uses a needle to take a blood sample, usually from the arm. Results A "positive" result …
Medical tests
… a person who may have been present at a crime scene. Hair samples are tested with specific chemicals and looked at … 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
… as bacteria or a fungus ) that can cause an infection. A sample of sputum is added to a substance that promotes the … How To Prepare Do not use mouthwash before you collect your sputum sample. Some types of mouthwash can kill bacteria and could affect your results. If bronchoscopy will be used to collect your …
Medical tests
… test ("tox screen") checks for drugs or other chemicals in your blood, urine, or saliva. Drugs can be swallowed, … a mucous membrane . In rare cases, a tox screen may check your stomach contents or sweat. A tox screen may check for … of blood. Many drugs will show up in a urine or saliva sample. And urine and saliva tests are usually easier to do …
Medical tests
… a virus, or a fungus ) that can cause an infection. A sample of skin, tissue, or fluid is added to a substance … there's nothing you have to do before this test, unless your doctor tells you to. If you are taking or have recently taken antibiotics , tell your doctor. How It Is Done To collect a tissue or fluid …
Medical tests
… Test Overview A prostate biopsy is a test to remove small samples of prostate tissue to be looked at under a … Why It Is Done You may need a prostate biopsy if your doctor found something of concern in your lab work or during your examination. A biopsy can help …
Medical tests
… Test Overview Tests for bacterial vaginosis take samples of fluid from the vagina . The samples are looked at … vaginal discharge, irritation, or pain. How To Prepare Your doctor may ask you not to douche, have sex, or use … 24 hours before this test. How It Is Done You will take off your clothes below the waist. You'll have a gown to drape …
Medical tests
… stool analysis is a series of tests done on a stool (feces) sample to help diagnose certain conditions affecting the … for 1 to 2 weeks before you have the test. Be sure to tell your doctor about all the non-prescription and prescription medicines you take. Be sure to tell your doctor if you have: Recently had an X-ray test using …
