Perinatal/newborn Flashcards
Age of viability
24 weeks
Lung maturity
32 weeks
LGA
Large for gestational age
>90th percentile
Maternal diabetes
SGA
Small for gestational age
<10th percentile
Give up to 2 years to catch up
Average length of newborn
20-21 inches
Average weight of newborn
7lbs
Average HC of newborn
13-14 inches
Acrocyanosis
cyanosis in extremities
Reflexes that appear at birth and should disappear by 3-4 months
rooting
sucking
moro
grasp (palmar;plantar)
Tonic neck reflex
Should disappear by 3 months
Babinski reflex
should disappear by 12 months
Caput succedaneum
crosses MIDLINE
fluid under skin
should resolve in 2-3 days
Cephalohematoma
DOES NOT cross midline
Largest fontanel, should close by 18 months
Anterior
Fontanel that closes by 2-3 months
posterior
Causes of wide fontanels
Prematurity IUGR Hydrocephalus Down syndrome Hypothyroidism
Ortolani’s Click
a “click” heard or felt as dislocation is reduced in DDH
Developmental dysplasia of the hips
Skin folds will be greater on hip that is displaced
Barlows maneuver
feeling of a slip as the femoral head slips away from the acetabulum causing dislocation
during ABDUCTION