39 results found
Medical tests
… at keeping its temperature within a safe range, even when temperatures outside the body change a lot. When you are too … Why It Is Done Body temperature is measured to: Check for fever. Check for a very low body temperature in people who … of spreading disease. But many factors can influence the accuracy of the measurement including, sweat, environment …
Medical tests
… negative result, you may choose not to have any more tests. Accuracy of the test First-trimester screening (nuchal … negative result, you may choose not to have any more tests. Accuracy of the test First-trimester screening (nuchal …
Medical tests
… enzyme studies are often repeated over several hours for comparison. How It Feels When a blood sample is taken, you … enzyme studies are often repeated over several hours for comparison. How It Feels When a blood sample is taken, you …
Medical tests
… and your waist-to-hip ratio. Your waist-to-hip ratio is a comparison of your waist size to your hip size. A higher … and your waist-to-hip ratio. Your waist-to-hip ratio is a comparison of your waist size to your hip size. A higher …
Medical tests
… may put the test device into urine collected in a cup. The accuracy of home pregnancy tests is different for every … may put the test device into urine collected in a cup. The accuracy of home pregnancy tests is different for every …
Medical tests
… vaccinations, endocarditis, and autoimmune diseases. The accuracy of testing often depends on the stage of syphilis. … vaccinations, endocarditis, and autoimmune diseases. The accuracy of testing often depends on the stage of syphilis. …
Medical tests
… that you will have a normal pregnancy or baby. The accuracy of a quad screening test is based on how often the … that you will have a normal pregnancy or baby. The accuracy of a quad screening test is based on how often the …
Medical tests
… another test, called a diagnostic test, to make sure. The accuracy of this test is based on how often the test … another test, called a diagnostic test, to make sure. The accuracy of this test is based on how often the test …
Medical tests
… stool (feces). Even a small amount of stool can affect the accuracy of the test. You may be told to follow a liquid … stool (feces). Even a small amount of stool can affect the accuracy of the test. You may be told to follow a liquid …
Medical tests
… small changes in pressure that occur as you breathe. The accuracy of the tests depends on how well you can follow all … small changes in pressure that occur as you breathe. The accuracy of the tests depends on how well you can follow all …