Peds Flashcards
neonate
0-28 days
infant
28 days-1 year
toddler
12-24 months
young child
2-12 years
older child
12-18 years
lung development: 4 weeks
lungs start to form
when do lung start producing surfactant
24 weeks
when do mature alveoli form
36 weeks
when do most alveoli form
postnatally
pediatrics have more _________ rib angle
horizontal
peds breathing is __________ driven
diaphragmatically
ped ribcage has _______ compliance
high compliance
why do peds have smaller tidal volumes
due to diaphragmatic breathing
25% type 1 fibers
FRC is _____ in peds
decreased
peds have a _______ apneic threshold
very short apeneic threshold
neonates O2 consumption
6-8ml/kg/min
infant O2 consumption
3-4 ml?kg/min
closing capacity in infants is _____ than FRC
CC > FRC
when CC approaches FRC, what happens
small airway starts to collapse
neonate breathing pattern
periodic breathing
what is common post op in premature pts
apnea
neonatal myocardium has __________ myocytes
poorly organized myocytes
peds SV
fixed
peds CO is dependent on
HR
when is the sympathetic nervous system fully developed
4-6 months
peds have an exaggerated
vagal response
prone to bradycardia
what do you give peds before DL
atropine
as pts get older, HR ______
decreases
as pts get older, systolic pressure ____
increases
as pts get older, RR
decreases
what replaces the placenta after birth
kidneys
GFR at birth
15-30%
