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AACN PCCN Review: Dysrhythmias Questions and Answers

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AACN PCCN Review: Dysrhythmias Questions and Answers

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AACN PCCN Review: Dysrhythmias
Questions and Answers
ImpulseMConductionMPathwayM-MAnswerMSAMNodeM--
>MInternodalMpathwaysM(AtrialMContraction)M-->MAVMNodeM(Delay)M-->MHis-
PurkinjeMSystemM(VentricularMContraction)



DysrhythmiasMCommonMCausesM-MAnswerMDecreasedMCoronaryMPerfusion

MyocardialMhypoxia

ElectrolyteMdisturbances

CardiacMMuscleMInjury

IschemiaMorMinfarction

DefectsMinMheartMmuscleMorMelectricalMsystem

CardiacMSurgery

ElectricalMStimulationMtoMtheMheartMmuscle

Medication



BestMleadsMtoMlookMatMforMAfib/AflutterM-MAnswerMII,MIII,MAVF



BestMLeadsMtoMAssessMJunctionalMRhythmsM-MAnswerMLeadMII



BestMLeadMtoMdetermineMBundleMCranchMBlocksM-MAnswerMV1MandMorMV6



STMSegmentMMonitoringMforMRCAM-MAnswerMIIIMorMaVF



STMSegmentMMonitoringMforMLAD/CircumflexM-MAnswerMV3



STMSegmentMMonitoringMforMActivityMInducedMIschemiaM-MAnswerMV5



STMSegmentMMonitoringMforMunknownMproblemM-MAnswerMIIIMorMV3



ECGMZonesMofMMIM-MAnswerM

, InferiorMWallMLeadsM-MAnswerMII,MIII,MAVF



"INF"



AnteriorMWallM-MAnswerMV1-V4



LateralMWallM-MAnswerMV5,MV6,MI,MaVL



BestMTMwaveM-MAnswerMV3,MV4,MII



ReciprocalMLeadMChangesM-MAnswerM



ReciprocalMLeadsMforMInferior:MII,MIII,MAVFM-MAnswerMI,MaVL



ReciprocalMleadsMforMHighMLateral:MIMaVLM-MAnswerMII,MIII,MaVF



ReciprocalMleadsMforMAnterior:MV1,MV2,MV3,MV4M-MAnswerMNONE



PosteriorMleadsM-MAnswerMNONEM-MyouMmayMseeMreciprocalMchangesMinMleadsMV1-V4



DefibrillationMorMCardioversionMDefinitionM-
MAnswerMPassingMofMelectricalMcurrentMthroughMcardiacMmuscleMcellsMcausingMmassiveM
depolarizationMallowingMcellsMtoMresetMthemselvesMandMcreateManMenvironmentMwhereM
SAMnodeMcanMtakeMbackMtheMpacemakerMfunction



PacingMDefinitionM-
MAnswerMElectricalMstimulationMofMheartMtoMpaceMforMbradyMrhythms



DrugMtreatmentMforMDysrhythmiasM-
MAnswerMPreferredMtreatmentMifMdysrhythmiaMisMnotMlifeMthreatening.M

IfMthereMisMaMsignificantMdropMinMbloodMpressureMorMlevelMofMconsciousnessMthanMde
fibrillationMorMcardioversionMmayMbeMnecessary

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