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
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
