CardiacbjDysrhythmiasbjAdvance
d
1. WhatStudy online
bjisbjbjthe bjatbjhttps://quizlet.com/_62mbpz
bjpacemaker bjofbjthebjheartbjnormally?:bjSAbjNode.
2. WherebjdoesbjthebjSAbjnodebjoriginate?:bjUpperbjrightbjatrium.
3. Whatbjisbjthebjpathwaybjofbjconductionbjinbjthebjheart?:bjSAbjnodebj->bjatriabj-
>bjAVbjnode
->bjbundlebjofbjhisbj->bjbundlebjbranchesbj->bjpurkinjebjfibersbj->bjventricles.
4. Whatbjdoesbjstimulationbjofbjthebjvagusbjnervebjcause?:bjDecreasedbjfiringbjofbjthebj
SAbjnodebjandbjslowedbjimpulsebjconductionbjofbjthebjAVbjnode.
5. Whatbjdoesbjstimulationbjofbjthebjsympatheticbjnervesbjcause?:bjIncreasedbjfiring
bjofbjthebjSAbjnodebjandbjincreasedbjimpulsebjthroughbjthebjAVbjnode,bjandbjcardiacbjcontr
actility.
6. WhatbjdoesbjthebjPbjwavebjrepresent?:bjTimebjforbjthebjpassagebjofbjthebjelectr
icalbjimpulsebjthroughbjthebjatriumbjcausingbjatrialbjdepolarizationbj(contraction).
7. WhatbjisbjthebjnormalbjPbjwavebjduration?:bj0.06bj-bj0.12.
8. WhatbjisbjabjpossiblebjvariationbjcausebjofbjabjPbjwave?:bjDisturbancebjinbjconduc
tionbjwithinbjthebjatria.
9. WhatbjdoesbjthebjPRbjintervalbjrepresent?:bjThebjmeasurebjfrombjthebjbeginningbjofbj
thebjPbjwavebjtobjthebjbeginningbjofbjthebjQRSbjcomplex,bjrepresentsbjtimebjtakenbjforbjim
pulse
tobjspreadbjthroughbjthebjatria,bjAVbjnode,bjandbjbundlebjofbjhis,bjthebjbundlebjbranchesbjan
purkinjebjfibers,bjtobjabjpointbjofbjimmediatelybjprecedingbjventricularbjcontraction.
10. WhatbjisbjthebjnormalbjPRbjinterval?:bj0.12bj-bj0.20.
11. WhatbjisbjabjpossiblebjvariationbjcausebjwithbjPRbjinterval?:bjDisturbancebjinbjcond
uc-
bjtionbjusuallybjinbjthebjAVbjnode,bjbundlebjofbjhis,bjorbjbundlebjbranchesbjbutbjcanbjbebjatri
abjasbjwell.
12. WhatbjdoesbjthebjQRSbjintervalbjrepresent?:bjMeasurebjfrombjbeginningbjtobjen
dbjofbjQRSbjcomplex,bjrepresentbjtimebjtakenbjforbjdepolarizationbj(contraction)bjofbjboth
bjventri-bjclesbj(systole).
13. WhatbjisbjthebjnormalbjQRSbjinterval?:bj<0.12.
14. WhatbjisbjabjpossiblebjvariationbjcausebjwithbjthebjQRSbjinterval?:bjDisturbanc
ebjinbjconductionbjinbjthebjbundlebjbranchesbjorbjinbjthebjventricles.
15. WhatbjdoesbjthebjSTbjSegmentbjrepresent?:bjMeasurebjfrombjthebjSbjwavebjofbjth
ebjQRSbjcomplexbjtobjthebjbeginningbjofbjthebjTbjwave;bjrepresentsbjtimebjbetweenbjventri
cularbjdepolarizationbjandbjrepolarizationbj(Diastole);bjshouldbjbebjisoelectricbj(flat).
16. WhatbjisbjthebjnormalbjSTbjsegment?:bj0.12.
17. WhatbjisbjabjpossiblebjvariationbjcausebjwithbjthebjSTbjsegment?:bjDisturba
ncebjusuallybjcausedbjbybjischemia,bjinjurybjorbjinfarction.
18. WhatbjdoesbjthebjTbjwavebjrepresent?:bjRepresentsbjtimebjforbjventricularbjrepolariz
a-bjtion,bjshouldbjbebjupright.
19. WhatbjisbjthebjnormalbjTbjwave?:bj0.16.
1bj/
bj9
, CardiacbjDysrhythmiasbjAdvance
d
20. What bjisbj
Study abjpossible
bjonline bjvariationbjcausebjforbjabjTbjwave?:bjDisturbancebjusuallybjcaus
bjatbjhttps://quizlet.com/_62mbpz
edbjbybjelectrolytebjdisturbances;bjischemiabjorbjinfarction.
2bj/
bj9
d
1. WhatStudy online
bjisbjbjthe bjatbjhttps://quizlet.com/_62mbpz
bjpacemaker bjofbjthebjheartbjnormally?:bjSAbjNode.
2. WherebjdoesbjthebjSAbjnodebjoriginate?:bjUpperbjrightbjatrium.
3. Whatbjisbjthebjpathwaybjofbjconductionbjinbjthebjheart?:bjSAbjnodebj->bjatriabj-
>bjAVbjnode
->bjbundlebjofbjhisbj->bjbundlebjbranchesbj->bjpurkinjebjfibersbj->bjventricles.
4. Whatbjdoesbjstimulationbjofbjthebjvagusbjnervebjcause?:bjDecreasedbjfiringbjofbjthebj
SAbjnodebjandbjslowedbjimpulsebjconductionbjofbjthebjAVbjnode.
5. Whatbjdoesbjstimulationbjofbjthebjsympatheticbjnervesbjcause?:bjIncreasedbjfiring
bjofbjthebjSAbjnodebjandbjincreasedbjimpulsebjthroughbjthebjAVbjnode,bjandbjcardiacbjcontr
actility.
6. WhatbjdoesbjthebjPbjwavebjrepresent?:bjTimebjforbjthebjpassagebjofbjthebjelectr
icalbjimpulsebjthroughbjthebjatriumbjcausingbjatrialbjdepolarizationbj(contraction).
7. WhatbjisbjthebjnormalbjPbjwavebjduration?:bj0.06bj-bj0.12.
8. WhatbjisbjabjpossiblebjvariationbjcausebjofbjabjPbjwave?:bjDisturbancebjinbjconduc
tionbjwithinbjthebjatria.
9. WhatbjdoesbjthebjPRbjintervalbjrepresent?:bjThebjmeasurebjfrombjthebjbeginningbjofbj
thebjPbjwavebjtobjthebjbeginningbjofbjthebjQRSbjcomplex,bjrepresentsbjtimebjtakenbjforbjim
pulse
tobjspreadbjthroughbjthebjatria,bjAVbjnode,bjandbjbundlebjofbjhis,bjthebjbundlebjbranchesbjan
purkinjebjfibers,bjtobjabjpointbjofbjimmediatelybjprecedingbjventricularbjcontraction.
10. WhatbjisbjthebjnormalbjPRbjinterval?:bj0.12bj-bj0.20.
11. WhatbjisbjabjpossiblebjvariationbjcausebjwithbjPRbjinterval?:bjDisturbancebjinbjcond
uc-
bjtionbjusuallybjinbjthebjAVbjnode,bjbundlebjofbjhis,bjorbjbundlebjbranchesbjbutbjcanbjbebjatri
abjasbjwell.
12. WhatbjdoesbjthebjQRSbjintervalbjrepresent?:bjMeasurebjfrombjbeginningbjtobjen
dbjofbjQRSbjcomplex,bjrepresentbjtimebjtakenbjforbjdepolarizationbj(contraction)bjofbjboth
bjventri-bjclesbj(systole).
13. WhatbjisbjthebjnormalbjQRSbjinterval?:bj<0.12.
14. WhatbjisbjabjpossiblebjvariationbjcausebjwithbjthebjQRSbjinterval?:bjDisturbanc
ebjinbjconductionbjinbjthebjbundlebjbranchesbjorbjinbjthebjventricles.
15. WhatbjdoesbjthebjSTbjSegmentbjrepresent?:bjMeasurebjfrombjthebjSbjwavebjofbjth
ebjQRSbjcomplexbjtobjthebjbeginningbjofbjthebjTbjwave;bjrepresentsbjtimebjbetweenbjventri
cularbjdepolarizationbjandbjrepolarizationbj(Diastole);bjshouldbjbebjisoelectricbj(flat).
16. WhatbjisbjthebjnormalbjSTbjsegment?:bj0.12.
17. WhatbjisbjabjpossiblebjvariationbjcausebjwithbjthebjSTbjsegment?:bjDisturba
ncebjusuallybjcausedbjbybjischemia,bjinjurybjorbjinfarction.
18. WhatbjdoesbjthebjTbjwavebjrepresent?:bjRepresentsbjtimebjforbjventricularbjrepolariz
a-bjtion,bjshouldbjbebjupright.
19. WhatbjisbjthebjnormalbjTbjwave?:bj0.16.
1bj/
bj9
, CardiacbjDysrhythmiasbjAdvance
d
20. What bjisbj
Study abjpossible
bjonline bjvariationbjcausebjforbjabjTbjwave?:bjDisturbancebjusuallybjcaus
bjatbjhttps://quizlet.com/_62mbpz
edbjbybjelectrolytebjdisturbances;bjischemiabjorbjinfarction.
2bj/
bj9
