h h h h h
solutions 2024
h h
What his hphysiological hjaundice? h- hANSWER✓✓--occurs hwhen hbaby
haccumulates hbilirubin
-secondary hto himmature hliver hin hnewborns
-common hfirst h2-4 hdays hof hlife hand hresolves hby h2 hweeks
What hlevel his hconjugated hhyperbilirubinemia? h- hANSWER✓✓-serum
hconjugated hbilirubin hconcentration hgreater hthan h1 hmg/dL hif hthe htotal
hbilirubin his hless hthan h5.0 hmg/dL hor hmore hthan h20% hof hthe htotal hbilirubin hif
hthe hthe htotal hbilirubin his hgreater hthan h5 hmg/dL h(p. h862 hAAP hbook)
What his hbreastfeeding hjaundice? h- hANSWER✓✓--due hto hpoor hintake hthat
hcauses hlack hof hstools hand hurine houtput
-common hin hfirst hweek hand hresolves honce hmilk hcomes hin hand hinfant his
hfeeding hwell-more hstools hand hurinary houtput
-peaks haround h2-3 hweeks
How hdo hyou hdiagnose hjaundice? h- hANSWER✓✓--dx hwith ha hbili hlevel hof h5
hmg/dL
-12 hmg/dL hthreshold hfor hall hnewborns hhaving hjaundiced happearance
-direct/indirect hbili hlevels
-CBC
-reticulocyte hcount
How hdo hyou htreat hjaundice? h- hANSWER✓✓-increased hintake
indirect hsunlight
phototherapy
IV hfluids
What hare hother hcauses hof hjaundice? h- hANSWER✓✓-abnormal hblood hcell
hshapes h(like hsickle hcell)
Rh hincompatibility
cephalohematoma
polycythemia h(increased hRBCs, hSGA hinfants, htwins)
infection
specific henzyme hdisorders
What his hbiliary hatresia? h- hANSWER✓✓--life-threatening hcondition hcausing ha
hblockage hof hbile hducts hinside hor houtside hof hliver
-leads hto hbuild-up hof htoxins h(like hbilirubin)
-malabsorption hof hfat-soluble hvitamins hA,D,E,K
-scaring hof hthe hliver, hloss hof htissue, hcirrhosis
, -not hinherited
What hare hthe htwo htypes hof hbiliary hatresia? h- hANSWER✓✓-fetal- hnoted hin
hwomb h(other hdefects hlike hheart, hspleed, hintestines)
perinatal- happears h2-4 hweeks hafter hbirth
What hcauses hbiliary hatresia? h- hANSWER✓✓--infection hafter hbirth
h(cytomegalovirus hor hrotavirus)
-autoimmune hdisorder
-developmental hissue hin hwomb
-exposure hto htoxic hsubstances
What hare hsymptoms hof hbiliary hatresia? h- hANSWER✓✓-jaundice
dark hurine
light hto hwhite hstools
poor hwt hgain hand hgrowth
How hdo hyou hdiagnose hbiliary hatresia? h- hANSWER✓✓-any hinfant hwith
hjaundice hpresent h2-3 hweeks hafter hbirth
-direct hand hindirect hserum hbilirubin
-LFTs
-abdominal hx-ray
-abdominal hUS
-liver hbx
How hdo hyou htreat hbiliary hatresia? h- hANSWER✓✓-surgery h(Kasai hprocedure)
liver htransplant
What hare hrisk hfactors hfor hdehydration? h- hANSWER✓✓-GI hvirus
vomiting/diarrhea
What hare hs/sx hof hdehydration? h- hANSWER✓✓-sunken hanterior hfontanel
tachycardia hand hdecrease hcap hrefill
decrease hurine houtput his hsensitive hbut hnonspecific
increase hin hurine hspecific hgravity
decrease hBP- hlate hfinding=more hthan h10% hfluid hloss
How hdo hyou htreat hdehydration? h- hANSWER✓✓-if hminimal, hmild, hmoderate-
horal hrehydration
if hsevere h(drowsy, hcold hextremities, hlethargic, hsunken/dry heyes, hvery
hdepressed hanterior hfontanel, hno htears, hdry hmouth/tongue, hvery hdecreased
hskin hturgor, hrapid/sometimes himpalpable hpulse, hdecreased/unrecordable
hpulse, hdeep/rapid hrespiratory hrate, hmarkedly hreduced hurine houtput) h- hIV
hfluids
What his hemesis? h- hANSWER✓✓-vomiting=symptom
must hdistinguish hfrom hregurgitation hin hinfants
integrated hresponse hto hnoxious hstimuli-coordinated hby hCNS