313 results found
Medical tests
… to cell damage. LDH levels are measured from a sample of blood taken from a vein. Why It Is Done LDH levels help find … to confirm a diagnosis. For many healthy people, a slightly high LDH isn't serious. It can happen because of exercise or … to confirm a diagnosis. For many healthy people, a slightly high LDH isn't serious. It can happen because of exercise or …
Medical tests
… Information Test Overview Prothrombin time (PT) is a blood test that measures how long it takes blood to clot. A … with artificial heart valves, because these valves have a high chance of causing clots to form. Abnormal values A … with artificial heart valves, because these valves have a high chance of causing clots to form. Abnormal values A …
Medical tests
… In some cases, a dye ( contrast material ) may be used during the MRI to show pictures of structures more clearly. The dye may help show blood flow, look for some types of tumours, and show areas … Look for the cause of headaches. Help diagnose a stroke or blood vessel problems in the head. Problems with blood …
Medical tests
… How To Prepare How It Is Done Results Test Overview Some blood tests are used to determine whether your liver is … long-term (chronic) infection. If liver enzymes are high, a test for hepatitis C antibodies may be done to see … long-term (chronic) infection. If liver enzymes are high, a test for hepatitis C antibodies may be done to see …
Medical tests
… load test measures how much hepatitis C virus is in the blood. Viral load may be measured before, during, and after treatment. Why It Is Done This test is done to see if there is any active virus in the blood. It's sometimes used to see how well treatment for …
Medical tests
… Overview A glycohemoglobin test, or hemoglobin A1c, is a blood test that checks the amount of sugar (glucose) bound to the hemoglobin in the red blood cells. People who have diabetes or other conditions … glucose only at that moment. Blood glucose levels change during the day for many reasons, including medicine, diet, …
Medical tests
… amount of an enzyme called hexosaminidase A (Hex A) in the blood. Hex A breaks down fatty substances in the brain and … disease, or who live in a community or population with a high amount of Tay-Sachs disease may want to be tested. … disease, or who live in a community or population with a high amount of Tay-Sachs disease may want to be tested. …
Medical tests
… to check for bacteria, yeast, trichomoniasis, and white blood cells. Why It Is Done A vaginal wet mount is done to … cells are not present or very low in number. Abnormal: High numbers of white blood cells often mean a vaginal … Vaginal pH is about 3.8–4.5. Abnormal: Vaginal pH is higher than 4.5. A higher pH may be caused by bacterial …
Medical tests
… the thyroid gland . Lumps in the thyroid gland may be found during a physical examination or seen on a thyroid … water. Before having a thyroid biopsy, you may need to have blood tests to see whether you have any bleeding problems or blood-clotting disorders. Tell your doctor ALL the medicines …
Medical tests
… breathing in a saltwater (saline) mist and then coughing. During bronchoscopy , which uses a bronchoscope to look at … uncomfortable. Bronchoscopy sample You may be able to feel pressure in your airway as the bronchoscope is moved from … uncomfortable. Bronchoscopy sample You may be able to feel pressure in your airway as the bronchoscope is moved from …