how long is the neonatal period
1 to 30 days outside of uterus
How does the first breath happen
umbelical cord constriction during uterine contraction, low o2, high co2, trigering acidosis to stimulate respiratory center in brain
How long till first breath and what happens
10s
infeltrate lungs to full capacity, decrease lung pressure and resistance to blod floow, lung alvioli open and capilaries fill with blood, amniotic fluid drain or is absorbed.
what closes the shunts
clamping of umbelical cord, the collapsed vessels atrophy and become ligaments
what does the ductus venousus become
ligamentum venosum
what does foramen ovale become
becomes the fossa ovalis that seperates dexyginated blood and oxyginated blood.
what caosues transition from fetal to neonatal circulation and what comes with it
slide 6
what does ductus arteriosus become
ligamentum ateriosum due to increased o2
what does the newborns do as thermorugulatory adjustments in the neonatal stage
slide 8
when is the agpar score taken timewise
1min to 5 min
what is the score of 3, 4-6, 7 to 10 in agpar score tell
critically low -3, Fairly low 4-6, normal 7-10
