Neonatal Flashcards
what cannot pass through the placenta
heparin / protein hormones (insulin) b/c of size / charge
what is the lecithin to sphingomyelin ratio that indicates fetal lung maturity?
> 3
what are features of maternal toxoplasmosis infection?
cat feces ingestion of oocytes
infants: hydrocephalus, intracranial calcification, choreoretinits, seizures
rubella syndrome features
meningoencephalitis
cataracts
sensorineural hearing loss
congenital heart disease (PDA / pulm. artery stenosis)
CMV infxn - when does it occur?
with primary maternal infection - 50% of the time
clinical features of CMV infxn of newbrn
IUGR, petechaie/purpura
jaundice + hepatosplenomegaly, chorioretinitis, intracranial calcifications
erythema toxicum
pustular rash over trunk, extremities, abdomen; resolves w/in a week
what is a large fontanelle associated w/
hypothyroidism, osteogenesis imperfecta, and some chromosomal abnormalitis
what conditions are assoc. w/ macroglossia?
hypothyroidism, Down’s, Beckwith-wiedemann syndrome
what is seen in down’s eyes?
brushfield spots (salt/pepper speckling of the iris)
what are greenstick fractures & how are they diagnosed?
greenstick - partial fractures - no symptoms
7-10 days diagnosis due to callus formation
caput succedaneum
edema over the presenting portion of the scalp during a vertex delivery
bruising + petechaie
crosses the suture lines
cephalohematoma
bleeding below the peristeum of the overlying parietal bone
skull fractures in 5-10% of cases
does not cross the suture line
