neonatal cystic fibrosis screening…

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what the risks are infant blood sample, cystic fibrosis screening, neonatal, immunoreactive trypsinogen, irt test , neonatal cystic fibrosis screening, blood test that looks, increased levels of immunoreactive trypsinogen, irt, an enzyme produced by the pancreas, test is performed on newborns to diagnose cystic fibrosis, cf, a sample of blood is either taken, bottom, the baby's foot of a vein, in the arm, a tiny drop of blood is collected onto a piece of filter paper, allowed to dry, dried blood sample is sent to a lab, analysis, health care provider, explain the test to you, and you must sign a consent form, states, not all, include this test in the newborn screening exams, the mother, baby leave the hospital, brief feeling of discomfort, cause baby to cry, infants, cf, have increased levels of irt in blood, several months after birth, a positive irt test, follow up testing to confirm the diagnosis, predicted value of a normal, negative test, immunoreactive trypsinogen value less than 140 ng/dl, ng/dl = nanograms per deciliter, child's level of immunoreactive trypsinogen is greater than 140 ng/dl on the first screen, test result, considered positive, child's level is 120 ng/dl on the second screen, second test result is also considered positive, two test results indicate cf, exist, a sweat test, a positive result is necessary to confirm the diagnosis, risks associated, infection, a slight risk, the skin is broken, parental anxiety over false positive tests, false reassurance over false negative tests, irt level, does not indicate the severity, the cf, false-positives, gross, sd, boyle, ca, botkin, jr, et al, newborn screening, cystic fibrosis, evaluation of benefits, state newborn screening programs, mmwr, 53(rr13, 1-36.