Basic Dysrhythmia-Relias

BASIC DYSRHYTHMIA-RELIAS QUESTIONS AND
CORRECT ANSWERS


normalitsinusitrhythmit-
itanswersheartitrhythmitoriginatingitinittheitsinoatrialitnodeitwithitaitrateitinitpatientsitatit
restitofit60ittoit100itbeatsitperitminute



SinusitArrhythmiait-itanswersAppearanceitisitALMOSTitNORMAL:

Respiratoryit-itCirculatoryitinteraction

RateitINCREASESitwithitINSPIRATIONit(IN=IN)



SinusitBradycardiait-itanswers<60

normalitsinusitrhythm



SinusitTachycardiait-itanswers>100it(100-150)

normalitsinusitrhythm



PrematureitAtrialitContractionit(PAC)it-
itanswersHeartitRate:itDependsitonitunderlyingitrhythm

Regularity:itInterruptsittheitregularityitofitunderlyingitrhythm

P-Wave:itcanitbeitflattened,itnotched,itoritunusual.itMayitbeithiddenitwithinittheitTitwave

PRI:itmeasuresitbetweenit.12-
.20itsecondsitanditcanitbeitprolonged;itcanitbeitdifferentitfromitotheritcomplexes

QRS:it<.12itseconds



SinusitArrest/Pauseit-itanswers-itSAitnodeitdoesn'titfire

-itnoticeitabsenceitofitP-waveitforitaitcompleteitcycleit(aitmisseditcycle)

, lengthitofitpauseit≠itmultipleitofitnormalitrateit(block)



AtrialitFibrillationit(A-Fib)it-
itanswersanitirregularitanditoftenitveryitfastitheartitrateitoriginatingitfromitabnormalitcond
uctionitinittheitatria



AtrialitFlutterit-itanswersirregularitbeatingitofittheitatria;itoftenitdescribeditasit"a-
flutteritwithit2ittoit1itblockitorit3ittoit1itblock"



JunctionalitRhythmit-itanswers40-60itRegular!

-impulseitfromitAVitnodeitw/itretro/antegradeittransmission

-itPitwaveitoftenitinverted/buried/followitQRS

-itslowitrate

-itnarrowitQRSit(notitwideitlikeitventricular)



JunctionalitTachycardiait-itanswers>60itbpmit(ms.itK;it150-250)

-itKEY:itwillitbeitregularit(consistent)

-itAVitjunctionitproducesitaitrapiditsequenceitofitQRS-Titcycles

-itp-waveitoftenitinverted/buried/followitQRS



PrematureitJunctionalitContractionit-itanswersInverteditpitwaveitorithiddenitpitwave

PRI<0.12itoritnone

NormalitQRS



SupraventricularitTachycardiait(SVT)it-
itanswersanitabnormalitheartitrhythmitarisingitfromitaberrantitelectricalitactivityitinittheith
eart;itoriginatesitatitoritaboveittheitAVitnode