329 results found
Medical tests
… moves at a different rate in an electrical field and together form a specific pattern. This pattern helps identify … poor nutrition. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… needed to diagnose internal hemorrhoids. How To Prepare If you have hemorrhoids, tell your doctor before the examination begins. Your doctor will try not to bother your hemorrhoids. How It …
Medical tests
… the cause of low blood sugar (hypoglycemia). How To Prepare Your doctor will give you instructions about eating and drinking before this test. … used to treat type 2 diabetes can change the test results. Your doctor may ask you to stop these medicines before your …
Medical tests
… problems or birth defects. Health Tools Health Tools help you make wise health decisions or take action to improve your health. Decision Points focus on key medical care … I Have Screening Tests for Birth Defects? How To Prepare You do not need to do anything special to prepare for this …
Medical tests
… use thick and thin blood smears to determine whether you have malaria. If one test is negative and no parasites are found, you will have repeated blood smears every 8 hours for a … show: Normal No parasites are present in red blood cells. Your doctor will repeat the test every 8 hours for 1 or 2 …
Medical tests
… from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very … 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
… sample is taken from a vein When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. If the sample is … Don't lift or carry objects for about 24 hours after you have had blood taken from an artery. Results Results are …
Medical tests
… (ANA) test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune reaction). The body's immune … of autoimmune diseases. An ANA test is used along with your symptoms, physical examination, and other tests to find …
Medical tests
… from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very … Results Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… a few minutes. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very … Results Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
