329 results found
Medical tests
… tract . Sometimes a test for gastrin is done after eating a high-protein diet or after receiving an injection … as you want up to 1 hour before the test. Be sure to tell your doctor about all the non-prescription and prescription … tract . Sometimes a test for gastrin is done after eating a high-protein diet or after receiving an injection …
Medical tests
… to take pictures of the salivary glands . This can help your doctor find the cause of dry mouth ( xerostomia ) or … gland scan, the tracer liquid is put into a vein ( IV) in your arm. The tracer moves through your blood and into the … test can get into your breast milk and is not good for the baby. How It Is Done A salivary gland scan is usually done …
Medical tests
… difficile (C. diff) are bacteria that live in your large intestine, or colon, all the time. They usually … difficile (C. diff) toxins. How To Prepare Tell your doctor if you have recently taken antibiotics. How It … urine mixed with it). Or a narrow tube may be put into the baby's rectum while you hold the baby on your lap. How It …
Medical tests
… glands then make a hormone called cortisol, which helps your body manage stress. Cortisol is needed for life, so its … ACTH levels may be tested in the morning or evening if your doctor thinks that they are abnormal. Cortisol levels … to eat or drink for 10 to 12 hours before an ACTH test. Your doctor may ask you to eat low-carbohydrate foods for 48 …
Medical tests
… genetic material. Hepatitis antibodies can take weeks or months to develop. So an infected person may test negative … that show you have liver problems. You are pregnant. You or your doctor wants to know if you are protected from getting the disease. The tests also are done to help your doctor decide about your treatment and see how well …
Medical tests
… is a problem that happens when gluten in food causes your immune system to attack the lining of your small … diagnose your symptoms, it must be done while you are still eating foods that contain gluten. So if you have started a gluten-free diet, your doctor will have you go back to eating gluten foods several weeks ahead of the test. You …
Medical tests
… skin. Normally, a hair grows in the hair follicle for many months, stops growing, and falls out. A new hair then grows … 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
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is done A health … tests are usually needed to confirm a diagnosis. For many healthy people, a slightly high LDH isn't serious. It can … tests are usually needed to confirm a diagnosis. For many healthy people, a slightly high LDH isn't serious. It can …
Medical tests
… other tests are done to find the right medicine for treating the infection. This is called sensitivity testing. … How To Prepare Do not use mouthwash before you collect your sputum sample. Some types of mouthwash can kill … your doctor will tell you how soon before the test to stop eating and drinking. Follow the instructions exactly about …
Medical tests
… stuck in the skull. They can also check problems on a baby's head, such as an odd shaped skull. Skull X-rays have … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done You will need to … is usually taken from the front, back, top, and sides of your head. Hold your head completely still while the …
