329 results found
Medical tests
… the cause of low blood sugar (hypoglycemia). How To Prepare Your doctor will give you instructions about eating and … used to treat type 2 diabetes can change the test results. Your doctor may ask you to stop these medicines before your … Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood … 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
… from an artery. This test is used to find out how well your lungs are able to move oxygen into the blood and remove … carbon dioxide from the blood. As blood passes through your lungs, oxygen moves into the blood while carbon dioxide … taken from an artery. Most other blood tests are done on a sample of blood taken from a vein, after the blood has …
Medical tests
… gastrointestinal (or GI) endoscopy is a test that allows your doctor to look at the inside of your esophagus, stomach, and the first part of your small … disease, or GERD. The doctor can use the scope to take a sample of tissue for study (a biopsy). The doctor also can …
Medical tests
… bacteria are causing the sore throat. A good sample of throat secretions is needed to make sure the test … in 10 to 15 minutes. Why It Is Done It may be done so your doctor can find out right away whether you have strep … have this test. How It Is Done You will be asked to tilt your head back and open your mouth as wide as possible. Your …
Medical tests
… urea nitrogen (BUN) test measures the amount of nitrogen in your blood that comes from the waste product urea. Urea is made when protein is broken down in your body. Urea is made in the liver and passed out of your … Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood …
Medical tests
… Overview A testicular biopsy is a test to remove a small sample of tissue from one or both testicles . The tissue is … test is not usually used to find testicular cancer . If your doctor thinks you may have cancer, you will probably … Prepare If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it before your test. …
Medical tests
… in the body depends on the amount of: Calcium you get in your food. Calcium and vitamin D your intestines absorb. Phosphate in the body. Certain … Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood …
Medical tests
… drawing blood will: Wrap an elastic band around your upper arm to stop the flow of blood. This makes the … to the needle to fill it with blood. Remove the band from your arm when enough blood is collected. Put a gauze pad or … the site and then put on a bandage. How It Feels The blood sample is taken from a vein in your arm. An elastic band is …
Medical tests
… are similar to those of many other illnesses. If you and your doctor think you have Lyme disease, your doctor will do a careful medical history and physical … Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood …