Orion's CFRN/CTRN Exam prep Questions and Answers

Orion's CFRN/CTRN Exam prep
Questions and Answers
BURNSM-MConsensusMformulaM-MAnswerM(2-
4MmLMRingersMLactate)MxM(weightMinMkg)MxM(%MTBSA)M=MmLsMinMfirstM24Mhours.M



GiveMhalfMofMthisMtotalMinMtheMfirstM8MhoursMpostMburn.M



BURNMPEARL:MAdultsMuseM2MmL:MPediatricsMuseM3MmL:MElectricalMinjuriesMuseM4mL.M
DoMnotMgiveMdextroseMsolutionsM(exceptMforMmaintenanceMfluidsMinMchildren)M—
itMmayMcauseManMosmoticMdiuresisMandMconfuseMadequacyMofMresuscitationMassessment
.



BURNSM-MTheMParklandMformulaM-
MAnswerM4mlMxMTBSAM(%)MxMbodyMweightM(kg)M=MTotalMfluidMrequirementMinM24Mh
oursM



50%MgivenMinMfirstMeightMhours

50%MgivenMinMnextM16Mhours.



-MAdequateMurineMoutputMforMadultsMisM30MmL/hrMandMchildrenM<30kgMshouldMbeM1-
1.5ml/kg/h.



BURNSM-MRuleMofMNinesM-MAnswerMAdultM-MHead:M9%

AdultM-MFrontM18%

AdultM-MBackM18%

AdultM-MArmM9%

AdultM-MLegM18%

AdultM-MGroinM1%



ChildM-MHeadM18%

ChildM-MFrontM18%

ChildM-MBackM18%

ChildM-MArmM9%

, ChildM-MLegM14%

ChildM-MGroinM1%



https://plasticsurgerykey.com/case-49-acute-burn-injury/



Maternal-fetalMtriageMindexM-MAnswerM-MSTAT/PriorityM1:MNeedMforMacute,Mlife-
savingMinterventions,Mincluding,MtheMpresenceMofMprolapsedMcord,MsignsMofMimminentMb
irthMincludingMvisibleMpresentingMfetalMpartMorMmaternalMbearingMdownMwithMcontractio
ns,MmaternalMhemorrhage,McardiacMcompromiseMorMsevereMrespiratoryMdistress,Mmaternal
Mseizures,MorMtheMfollowingMabnormalMvitalMsigns:MinabilityMtoMdetectMtheMfetalMheart
MrateMorMaMfetalMheartMrateMlessMthanM100MbeatsMperMminuteMforMgreaterMthanM1
Mminute;MaMmaternalMheartMrateMlessMthanM40MorMgreaterMthanM130,MaMsystolicMblo
odMpressureM≥M160MorMaMdiastolicM≥M110,MmaternalMapnea,MorManMoxygenMsaturation
M<M93%.



-
MUrgent/PriorityM2:MSevereMpainMunrelatedMtoMcontractions,MalterationsMinMmaternalMm
entalMstatus,MsuicidalMorMhomicidalMpatients,MactiveMvaginalMbleeding,MorMdifficultyMblee
ding;MotherMinclusionsMareMpatientsMwhoMareM≥M34MweeksMgestationMandMwhoMareMe
itherMexperiencingMregularMcontractionsMorMleakingMofMamnioticMfluidMandMwho:MareMH
IV+,MmultipleMgestationMpregnancy,MhaveMplacentaMprevia,MhaveMaMfetusMinMbreechMpr
esentation,Metc.MTheMfollowingMabnormalMvitalMsignsMareMconsideredMinclusionMinMthisM
categoryMasMwell:MaMmaternalMheartMrateM>M120MorM<M50,MmaternalMtemperatureM≥
M38.3MdegreesMCelsius,MaMrespiratoryMrateM≥M26MorM≤M12,MoxygenMsaturationM<M95%
,MsystolicMbloodMpressureM≥M140MorMdiastolicMbloodMpressureM≥M90,MorMaMfetalMhear
tMrateM≥M160MforMlongerMthanM1Mminute.



-
MPrompt/PriorityM3:MincludesMpatientsMwhoMareMinMactiveMlaborMatM34MweeksMorMgre
aterMorMwhoMareMexperiencingMearlyMlaborMsignsMandMhaveMrupturedMorMleakingMofM
amnioticMfluid;MpatientsMwhoMareMexperiencingMregularMcontractionsMatM34MweeksMorM
greaterMandMwhoMhaveMHSVMlesions,MareMscheduledMforMrepeatMCesareanMsection,Mor
MwhoMhaveMaMmultipleMgestationMpregnancy.MVitalMsignsMabnormalitiesMwhichMareMincl
udedMinMthisMcategoryMare:Mp



CardiacMIndexMvalues

CVP/RA:M

CI:M

PAS:M