Neonatal AACN CCRN REVISION
QUESTIONS AND ANSWERS.
/Fetal fibronectin -
\biochemical marker useful for predicting preterm birth within 2 weeks
placental α-microglobulin-1 (PAMG-1) protein -
\presence indicates rupture of membranes
Fetal heart rate variability -
\best indicator of fetal oxygenation status (absence of metabolic acidemia)
Biophysical profile -
\-fetal tone
-fetal breathing
-fetal movement
-nonstress test
-amniotic fluid volume
Late decelerations -
\transient response to hypoxemia during contractions
Variable decelerations -
\cord compression
-tx: amnioinfusion, intrauterine pressure catheter
Maternal serum α-fetoprotein -
\-Elevated: neural tube defect, abdominal wall defect, EA/duodenal atresia
-Decreased: Down syndrome
Target preductal sat after birth -
\-1 minute 60-65%
-2 minutes 65-70%
-3 minutes 70-75%
-4 minutes 75-80%
-5 minutes 80-85%
-10 minutes 85-90%
Arterial cord blood gas -
\reveals the metabolic status of the fetus before delivery and strongly correlates with
perinatal asphyxia
, Turner syndrome -
\-SGA with a broad chest
-widely spaced nipples
-edema of the extremities
-short webbed neck
Trisomy 13 -
\-cutis aplasia
-overlapping digits
-low-set ears, cleft palate
-microcephaly
-microphthalmia
-polydactyly
-rocker bottom feet
-numerous organ abnormalities (including cardiac)
Trisomy 18 -
\-low birth weight
-ears that are low set and/or of abnormal shape
-micrognathia
-microstomia
-rocker-bottom feet
-clenched hand with flexed fingers
-flexion contraction of the middle two fingers
Trisomy 21 -
\-brachycephaly with flattened occiput
-low-set and malformed ears
-generalized hypotonia
-hyperflexibility of the joints
-clinodactyly of the fifth fingers
-wide spacing between the first and second toes
-loose skinfolds in the posterior neck
DiGeorge Syndrome -
\-deletion in chromosome band 22q11
-heart defects
-poor immune system function (small/absent thymus)
-cleft palate
-hypocalcemia
-developmental delays
Beckwith-Wiederman syndrome -
\-macroglossia
-hypoglycemia
-macrosomia
QUESTIONS AND ANSWERS.
/Fetal fibronectin -
\biochemical marker useful for predicting preterm birth within 2 weeks
placental α-microglobulin-1 (PAMG-1) protein -
\presence indicates rupture of membranes
Fetal heart rate variability -
\best indicator of fetal oxygenation status (absence of metabolic acidemia)
Biophysical profile -
\-fetal tone
-fetal breathing
-fetal movement
-nonstress test
-amniotic fluid volume
Late decelerations -
\transient response to hypoxemia during contractions
Variable decelerations -
\cord compression
-tx: amnioinfusion, intrauterine pressure catheter
Maternal serum α-fetoprotein -
\-Elevated: neural tube defect, abdominal wall defect, EA/duodenal atresia
-Decreased: Down syndrome
Target preductal sat after birth -
\-1 minute 60-65%
-2 minutes 65-70%
-3 minutes 70-75%
-4 minutes 75-80%
-5 minutes 80-85%
-10 minutes 85-90%
Arterial cord blood gas -
\reveals the metabolic status of the fetus before delivery and strongly correlates with
perinatal asphyxia
, Turner syndrome -
\-SGA with a broad chest
-widely spaced nipples
-edema of the extremities
-short webbed neck
Trisomy 13 -
\-cutis aplasia
-overlapping digits
-low-set ears, cleft palate
-microcephaly
-microphthalmia
-polydactyly
-rocker bottom feet
-numerous organ abnormalities (including cardiac)
Trisomy 18 -
\-low birth weight
-ears that are low set and/or of abnormal shape
-micrognathia
-microstomia
-rocker-bottom feet
-clenched hand with flexed fingers
-flexion contraction of the middle two fingers
Trisomy 21 -
\-brachycephaly with flattened occiput
-low-set and malformed ears
-generalized hypotonia
-hyperflexibility of the joints
-clinodactyly of the fifth fingers
-wide spacing between the first and second toes
-loose skinfolds in the posterior neck
DiGeorge Syndrome -
\-deletion in chromosome band 22q11
-heart defects
-poor immune system function (small/absent thymus)
-cleft palate
-hypocalcemia
-developmental delays
Beckwith-Wiederman syndrome -
\-macroglossia
-hypoglycemia
-macrosomia