NUR 323 Lecture Notes - Lecture 5: Maple Syrup, Phenobarbital, Spina Bifida
Document Summary
Chapter 19: caring for the new born at risk. Fetal lung maturity is determined by the l/s ratio (lecithin to sphingomyelin) and pg (phosphatidylglyerol) values: circulatory system. At birth, the three fetal shunts (ductus arteriosus, foramen ovale, and ductus venosus) close and circulation converts to adult circulation to accommodate oxygen intake by the lungs: neurological system. The neurological system, including the central and peripheral nervous systems and the parasympathetic nervous system, are underdeveloped at brith. Classification of the high-risk newborn: gestational age(ga): length of time in utero. Preterm (delivered at or before the completion of 37 weeks) Term (delivered any time from 38 to 41 completed weeks) Posterm (newborn delivered on or after 42 weeks: birth weight. Small for gestational age (weight ,10th percentile for ga) Appropriate for gestational age (weight between 10th and 90th percentile for ga) Large for gestational age (weigth >90th percentile ga)
