43 results found
Health topics
… bad news? Maybe it's no news, if you had a test and then never heard back about the … online medical information site. What does a positive or negative result mean? Lab test … to be a sign of an infection. What are false-positive and false-negative test results? …
Medical tests
… Test Overview A human immunodeficiency virus … can show if an HIV infection is present (HIV-positive). HIV infects white blood cells called … This test has a low chance of having a false result after the first few weeks that a …
Medical tests
… Test Overview A Lyme disease test detects … should be done for all people who've had a positive (or borderline positive) ELISA test. … but it does not show up on the test ( false-negative ). This is more likely with the …
Medical tests
… has symptoms of preterm labour. If the test is negative, you probably aren't having … preterm labour. But even if the test is positive, it doesn't mean for sure that you're … result may show that labour has started. But false-positive results are common. They can …
Medical tests
… Test Overview The nuchal (say "NEW-kuhl") … doesn't have the problem. This is called a false-positive test result. And it's also possible …
Medical tests
… Test Overview A contraction stress test checks … Abnormal: Abnormal test results are called positive. Your baby's heart rate gets slower … actually having problems. This is called a false-positive result . Related Information …
Medical tests
… Test Overview A breast cancer (BRCA) gene test … Other risks A negative test may give you a false sense of security. So you may not have … will never have breast or ovarian cancer. A positive test result may cause anxiety or …
Health topics
… Cancer Screening: Should I Have a PSA Test? 1 Get the Facts 2 Compare Options 3 Your … What are the risks of having a PSA test? False-positive results Often the PSA test can show …
Medical tests
… Test Overview A biophysical profile (BPP) test measures the health of your baby (fetus) during pregnancy. A BPP test may include a non-stress test with …
Medical tests
… Test Overview Cancer antigen 125 (CA-125) is a … test for ovarian cancer because it often has false-positive results that can lead to unneeded …
