329 results found
Medical tests
… types of hemoglobin in the blood. Hemoglobin is the substance in red blood cells that carries oxygen. The most … Some diseases, such as severe forms of thalassemia , may cause hemoglobin A levels to be low and hemoglobin F levels to … from a parent to a child (inherited). How To Prepare Tell your doctor if you are getting iron therapy for iron …
Medical tests
… to find germs (such as bacteria or a fungus ) that can cause an infection. A sample of cells from the back of your throat is added to a substance that promotes the growth of germs. If no germs …
Medical tests
… of these) has been injected into the joint. This allows your doctor to see the soft tissue structures of your joint, … material. A special type of X-ray, called fluoroscopy , is used to take pictures of the joint. An arthrogram is used to … had a serious allergic reaction ( anaphylaxis ) from any substance. For instance, have you had a reaction from a bee …
Medical tests
… long it takes blood to clot. A prothrombin time test can be used to check for bleeding problems. PT is also used to … time tests, no matter the testing method. It lets your doctor understand results in the same way even when … factors. The absence of any of the clotting factors. Other substances, called inhibitors, that affect the clotting …
Medical tests
… DNA from cells attached to the root of the hair. It can be used to find out if people are related. Forensic hair … lab will give you specific instructions on how to prepare your hair. Hair preparation and the part of your body from … by nutrition and internal metabolism but also by external substances. Air pollution, mineral content of the water …
Medical tests
… Test Overview A home lung function test uses a peak flow meter or a home spirometer to monitor and … a day-to-day basis. A peak flow meter allows you to measure your peak expiratory flow . A home spirometer allows you to … Monitor your lung function if you are regularly exposed to substances at work that can damage your lungs (occupational …
Medical tests
… During a liver and spleen scan, a radioactive tracer substance is put into a vein ( IV ) in the arm. It moves … get through 1 to 2 days of feeding. The radioactive tracer used in this test can get into your breast milk and is not good for the baby. How It Is …
Medical tests
… , inflammation , or bleeding. The test can help find the cause of joint pain or swelling. Normally, only a small amount … If you have a joint problem, you may have more fluid in your joint and your joint may become swollen, stiff, and … with a Gram stain (a special dye). Joint fluid added to a substance that promotes the growth of germs (such as …
Medical tests
… this disease. They look for the bacterium, or germ, that causes gonorrhea . Testing is done on body fluid or urine … the cervix, urethra, eye, rectum, or throat is added to a substance that promotes the growth of the bacteria. If no … for at least 3 days after you finish treatment. footnote 1 Your sex partner or partners must also be treated for …
Medical tests
… to find germs (such as bacteria or a fungus ) that can cause an infection. A sample of sputum is added to a substance that promotes the growth of germs. If no germs … How To Prepare Do not use mouthwash before you collect your sputum sample. Some types of mouthwash can kill …
