329 results found
Medical tests
… well the thyroid gland is working. Ultrasound also may be used to check the four parathyroid glands that lie behind or … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done This test is done … waist. And you may drape a paper or cloth covering around your shoulders. Remove all jewellery from your head and …
Medical tests
… of the waste product creatinine (say "kree-AT-uh-neen") in your blood and urine. These tests tell how well your kidneys are working. Another substance, creatine (say … of blood creatinine and blood urea nitrogen (BUN) can be used to find the BUN-to-creatinine ratio. This ratio can …
Medical tests
… substance called a tracer is injected into a vein in your arm. The tracer travels through your bloodstream and into your bones. Then a special camera … has spread (metastasized) to the bone. Help diagnose the cause or location of unexplained bone pain, such as ongoing …
Medical tests
… 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 … off any jewellery. You may need to take off all or most of your clothes. You will be given a gown to wear during the …
Medical tests
… identify a rare inherited disease ( homocystinuria ) that causes a deficiency of one of several enzymes needed to … may affect the results of this test. Be sure to tell your doctor about all the non-prescription and prescription medicines you take. Talk to your doctor about any concerns you have regarding the need …
Medical tests
… of bone marrow fluid through a needle. Bone marrow biopsy uses a needle to take out a small amount of bone with the … The doctor will inject numbing medicine in the skin over your bone. He or she will put a needle through your skin and into your bone to reach the bone marrow. You …
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
… the level of parathyroid hormone in the blood. This test is used to help identify hyperparathyroidism , to find the … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… cells , white blood cells , and platelets . A CBC helps your doctor check any symptoms that you may have, such as … very quickly. The number of white blood cells is sometimes used to find an infection or to see how the body is dealing … blood vessels (capillaries). This also makes it hard for your red blood cells to carry oxygen. Hematocrit (HCT, …
Medical tests
… Test Overview Cardiac catheterization is a test to check your heart. This test uses a thin, flexible tube called a catheter that is … exactly about when to stop eating and drinking. If your doctor told you to take your medicines on the day of …
