SSM BASIC DYSRHYTHMIA REVIEW
QUESTIONS WITH CORRECT ANSWERS
Systolegv-gvANS--Phasegvofgvcontractiongvwhengvbloodgvisgvejected
Diastolegv-gvANS--Phasegvofgvrelaxationgvorgvfilling
ConductiongvSystemgv-gvANS--
InherentgvRategvofgvSAgvnodegv-gvANS--60-100gvbeatsgvpergvminute
InherentgvRategvofgvAVgvnodegv-gvANS--40-60gvbeatsgvpergvminute
gvAVgvnodegvactsgvasgvagv"gategvkeeper"gvforgvventricles
InherentgvRategvofgvBundlegvofgvHisgv-gvANS--40-60gvbeatsgvpergvminute
InherentgvRategvofgvVentriclesgv-gvANS--20-40gvbeatsgvpergvminute
SympatheticgvNervousgvSystemgv-gvANS--
Affectsgvatriagv&gvventricle,gvincreasesgvSAgvnodegvrate,gvspeedgvofgvconduction,gvandgvf
orcegvofgvcontraction
ParasympatheticgvNervousgvSystemgv-gvANS--
Affectsgvthegvatria,gvdecreasesgvthegvHR,gvdecreasesgvthegvspeedgvofgvconduction,gvdecr
easesgvforgvofgvcontraction
Depolarizationgv-gvANS--
Cellsgvreceivegvagvstimulus,gvchangesgvingvelectricalgvchargesgvoccurgvresultinggvingvagvel
ectricalgvflowgvwhichgvspreadsgvingvagvwavelikegvmotiongvresultinggvingvcontractiongv-
gvsystole
Repolarizationgv-gvANS--
Returngvofgvthegvelectricalgvchargegvtogvtheirgvoriginalgvpostion,gvrecoverygvstate
AbsolutegvRefractorygv-gvANS--
PortiongvofgvthegvcardiacgvcyclegvwheregvNOgvstimulus,gvnogvmattergvhowgvstrong,gvcangv
excitegvthegvcardiacgvtissue
RelativegvRefractorygv-gvANS--
Portiongvofgvcardiacgvcyclegvwhengvallgvcellsgvaregvnotgvfullygvrepolarized,gvagvstronggveno
ughgvstimulusgvcangvexcitegvthegvcardiacgvtissue,gvalsogvreferredgvtogvasgvthegvvulnerable
gvperiod
, PositivegvDeflectiongv-gvANS--
Currentgvflowinggvtowardgvagv+gvelectrodegvgivesgvagv+gvdeflectiongv(abovegvbaseline)
NegativegvDeflectiongv-gvANS--
Currentgvflowinggvawaygvfromgvagv+gvelectrodegvgivesgvagv-
gvdeflectionsgv(belowgvbaseline)
Pgvwavegv-gvANS--Reflectsgvatrialgvdepolarization
PRgvintervalgv-gvANS--
RepresentsgvthegvintervalgvfromgvthegvtimegvthegvimpulsegvleavesgvthegvSAgvnode,gvthegv
delaygvatgvthegvAVgvnode.
QRSgv-gvANS--
Representsgvventriculargvdepolarization.gvThegvtimegvrequiredgvforgvthegvimpulsegvtogvtra
velgvthroughgvRgv&gvLgvventricles
NormalgvPRgvintervalgv-gvANS--0.12-0.20gvseconds
NormalgvQRSgv-gvANS--0.04gv-.10gvorgv<0.12
Tgvwavegv-gvANS--Representsgvventriculargvrepolarization
QTgvintervalgv-gvANS--
Representsgvtotalgvventriculargvactivitygv(depolarizationgvtogvrepolarization)
STgvsegmentgv-gvANS--
Representsgvtimegvbetweengvcompletiongvofgvventriculargvdepolarizationgvandgvbeginning
gvorgvrepolariation
SinusgvRhythmgv-gvANS--Rategvisgv60-
100,gvitgvisgvregular,gvnormalgvPRgvandgvQRSgvinterval.gvOnegvPgvwavegvforgveverygvQRS
NormalgvSinusgvRhythmgv-gvANS--
SinusgvBradycardiagv-gvANS--
Rategvisgv<gv60,gvrhythmgvisgvregular,gvPgvwavegvforgveverygvQRS.gvMaygvbegvnormalgvisg
vsomegvpeople,gvespeciallygvatheletes
SinusgvBradycardiagv-gvANS--
SinusgvTachycardiagv-gvANS--Rategvisgv>gv100gvBPMgv(100-
160),gvrhythmgvisgvregular,gvPgvforgveverygvQRS.gvResponsegvtogvbodiesgvneedgvforgvincr
easegvHR
SinusgvTachycardiagv-gvANS--
QUESTIONS WITH CORRECT ANSWERS
Systolegv-gvANS--Phasegvofgvcontractiongvwhengvbloodgvisgvejected
Diastolegv-gvANS--Phasegvofgvrelaxationgvorgvfilling
ConductiongvSystemgv-gvANS--
InherentgvRategvofgvSAgvnodegv-gvANS--60-100gvbeatsgvpergvminute
InherentgvRategvofgvAVgvnodegv-gvANS--40-60gvbeatsgvpergvminute
gvAVgvnodegvactsgvasgvagv"gategvkeeper"gvforgvventricles
InherentgvRategvofgvBundlegvofgvHisgv-gvANS--40-60gvbeatsgvpergvminute
InherentgvRategvofgvVentriclesgv-gvANS--20-40gvbeatsgvpergvminute
SympatheticgvNervousgvSystemgv-gvANS--
Affectsgvatriagv&gvventricle,gvincreasesgvSAgvnodegvrate,gvspeedgvofgvconduction,gvandgvf
orcegvofgvcontraction
ParasympatheticgvNervousgvSystemgv-gvANS--
Affectsgvthegvatria,gvdecreasesgvthegvHR,gvdecreasesgvthegvspeedgvofgvconduction,gvdecr
easesgvforgvofgvcontraction
Depolarizationgv-gvANS--
Cellsgvreceivegvagvstimulus,gvchangesgvingvelectricalgvchargesgvoccurgvresultinggvingvagvel
ectricalgvflowgvwhichgvspreadsgvingvagvwavelikegvmotiongvresultinggvingvcontractiongv-
gvsystole
Repolarizationgv-gvANS--
Returngvofgvthegvelectricalgvchargegvtogvtheirgvoriginalgvpostion,gvrecoverygvstate
AbsolutegvRefractorygv-gvANS--
PortiongvofgvthegvcardiacgvcyclegvwheregvNOgvstimulus,gvnogvmattergvhowgvstrong,gvcangv
excitegvthegvcardiacgvtissue
RelativegvRefractorygv-gvANS--
Portiongvofgvcardiacgvcyclegvwhengvallgvcellsgvaregvnotgvfullygvrepolarized,gvagvstronggveno
ughgvstimulusgvcangvexcitegvthegvcardiacgvtissue,gvalsogvreferredgvtogvasgvthegvvulnerable
gvperiod
, PositivegvDeflectiongv-gvANS--
Currentgvflowinggvtowardgvagv+gvelectrodegvgivesgvagv+gvdeflectiongv(abovegvbaseline)
NegativegvDeflectiongv-gvANS--
Currentgvflowinggvawaygvfromgvagv+gvelectrodegvgivesgvagv-
gvdeflectionsgv(belowgvbaseline)
Pgvwavegv-gvANS--Reflectsgvatrialgvdepolarization
PRgvintervalgv-gvANS--
RepresentsgvthegvintervalgvfromgvthegvtimegvthegvimpulsegvleavesgvthegvSAgvnode,gvthegv
delaygvatgvthegvAVgvnode.
QRSgv-gvANS--
Representsgvventriculargvdepolarization.gvThegvtimegvrequiredgvforgvthegvimpulsegvtogvtra
velgvthroughgvRgv&gvLgvventricles
NormalgvPRgvintervalgv-gvANS--0.12-0.20gvseconds
NormalgvQRSgv-gvANS--0.04gv-.10gvorgv<0.12
Tgvwavegv-gvANS--Representsgvventriculargvrepolarization
QTgvintervalgv-gvANS--
Representsgvtotalgvventriculargvactivitygv(depolarizationgvtogvrepolarization)
STgvsegmentgv-gvANS--
Representsgvtimegvbetweengvcompletiongvofgvventriculargvdepolarizationgvandgvbeginning
gvorgvrepolariation
SinusgvRhythmgv-gvANS--Rategvisgv60-
100,gvitgvisgvregular,gvnormalgvPRgvandgvQRSgvinterval.gvOnegvPgvwavegvforgveverygvQRS
NormalgvSinusgvRhythmgv-gvANS--
SinusgvBradycardiagv-gvANS--
Rategvisgv<gv60,gvrhythmgvisgvregular,gvPgvwavegvforgveverygvQRS.gvMaygvbegvnormalgvisg
vsomegvpeople,gvespeciallygvatheletes
SinusgvBradycardiagv-gvANS--
SinusgvTachycardiagv-gvANS--Rategvisgv>gv100gvBPMgv(100-
160),gvrhythmgvisgvregular,gvPgvforgveverygvQRS.gvResponsegvtogvbodiesgvneedgvforgvincr
easegvHR
SinusgvTachycardiagv-gvANS--
