EKG QUESTIONS ON NHA EXAM WITH ANSWERS
Whichmofmthemfollowingmsymptomsmismmostmlikelymtombemconsistentmwithmbradycardia?
a.mhyperventilationm
b.BPm100/80
c.mcold/clammymskin
d.mpulsemratem140/minm-m"ACCURATEmANSWER"mmc.mcold/clammymskin
AnmEKGmtechnicianmismprescriptionmtomperformmanmEKGmtracingmonmanmoldermadultmpati
entmwhomismunconsciousmuponmarrivalmatmthememergencymdepartment.mWhatmactionmsho
uldmthemtechnicianmtake?m-
m"ACCURATEmANSWER"mmassumemimpliedmconsentmbecausemthempatient'smconditionmismco
nsideredmcritical
whatmleadmgroupsmrepresentmEinthoven'smTriangle?m-
m"ACCURATEmANSWER"mmLeadsmI,mII,mandmIII
AnmEKGmtechnicianmismperformingmamstressmtestmformampatient.mWhatmEKGmchangesmindi
catemthatmthempatientmismbeginningmtomshowmsignsmofmmyocardialmischemia?m-
m"ACCURATEmANSWER"mmDepressedmSTmsegment
WhichmofmthemfollowingmconditionsmismcharacterizedmbymSTmsegmentmdepressionmandmTm
waveminversion?m
a.mearlymrepolarizationm
b.melevatedmpotassiumm
c.mpericarditism
d.mmyocardialmischemiam-m"ACCURATEmANSWER"mmd.mmyocardialmischemia
AnmEKGmtechmeliminatesmanmEKGmtracingmartifactmbympluggingmthemmachinemintomamdiffe
rentmwallmoutlet.mWhatmwasmthemartifactmcausedmby?
a.mbrokenmrecordingm
b.msomaticmtremorsm
c.m60-cycleminterferencem
d.mbothmamandmcm-m"ACCURATEmANSWER"mmd.mbothmamandmc
AnmEKGmtechnicianminmanmoutpatientmfacilitymismobtainingmampatient'smvitalmsignsmandmis
mhavingmtroublemvisualizingmthempatient'smchestmmovement.mWhatmactionsmshouldmthemte
chnicianmtakemtomobtainmanmaccuratemrespiratorymratemformthempatient?m-
m"ACCURATEmANSWER"mmPlacemamhandmonmthemmiddlemofmthempatient'smbackmtomcount
mthemrespirations
AnmEKGmtechmshouldmrecognizemwhatmsignsmaremoftenmpresentmwhenmampatientmismexpe
riencingmventricularmtachycardia?m-
m"ACCURATEmANSWER"mmMultiplemprematuremventricularmcontractionsm(PVCs)minmamrow
WhatmstatementmshouldmanmEKGmtechmmakemwhenmpreparingmanm8-year-
oldmpatientmformamstandardm12-leadmEKG?m-
m"ACCURATEmANSWER"mm"Imammgoingmtomapplymsomemstickersmtomyourmbelly,marms,man
dmlegsmformthemtest"
WhatmsitemismthemmostmaccuratemformanmEKGmtechmtomusemwhenmmeasuringmampatient'
smbodymtemperature?m-m"ACCURATEmANSWER"mmtemporal
AnmEKGmtechmismworkingmwithmampatientmwhomhasmambelow-the-
kneemamputationmonmthemleftmleg.mWhatmlocationmshouldmthemtechmplacemthemrightmleg
, melectrode?m-
m"ACCURATEmANSWER"mmonmthemlowermrightmabdomenm(leadsmhavemtombemlevel)
Aftermcompletingmamstandardm12-
leadmEKGmonmampatient,mwhatmactionsmshouldmanmEKGmtechmtakemnext?m-
m"ACCURATEmANSWER"mmcheckmthatmthemtracingmismfreemfrommartifactsmandmthenmdisco
nnectmthempatientmfrommthemmachine
InmwhatmlocationsmshouldmanmEKGmtechmplacemthemelectrodesmformleadsmV7,mV8,mandmV
9?m-
m"ACCURATEmANSWER"mmEvenlymspacedmonmthembackmbetweenmthemaxillarymlinemandmth
emvertebralmcolumnmatmthem5thmintercostalmspace
AmthinmspikembeforemthemPmwavemindicatesmthatmampacemakermhasmbeenmimplantedmto
mpacemtomwhat?m-m"ACCURATEmANSWER"mmatria
Whatmactionmshouldmthemtechminstructmthempatientmtomtakemifmanymelectrodesmbecomem
loosemduringmatmhomemusemofmanmambulatorymmonitor?m-
m"ACCURATEmANSWER"mmapplymsurgicalmtapemtomelectrodesmtomkeepmthemminmplace
Whichmleadsmrecordmactivitymofmtheminferiormwallmofmthemleftmventricle?m-
m"ACCURATEmANSWER"mmleadsmIIImandmaVF
WhatmrhythmmismcharacterizedmbymabsentmPmwaves,mwidemQRSmcomplexes,mandmamventri
cularmratembetweenm20-40/mins?m-m"ACCURATEmANSWER"mmIdioventricularmrhythm
Whatmleadsmrecordmelectricalmactivitymofmthemlateralmwallmofmthemleftmventricle?m-
m"ACCURATEmANSWER"mmLeadsmI,maVL,mV5,mandmV6
InmwhatmlocationmshouldmbemthemEKGmtechmplacemthemelectrodesmformam3-
leadmambulatorymmonitor?m-
m"ACCURATEmANSWER"mmonmthemrightmshoulder,mthemleftmshoulder,mandmthemleftmabdo
men
AnmEKGmtechmismperformingmamstressmtestmformampatient.mWhatmchangesmindicatemthatm
thempatientmismbeginningmtomshowmsignsmofmmyocardialmischemia?m-
m"ACCURATEmANSWER"mmdepressedmSTmsegment
Whatmleadsmarembipolar?m-m"ACCURATEmANSWER"mmLeadsmI,mII,mandmIII
Whatmismthemexpectedmreferencemrangemformrespiratorymratemofmamnewbornmpatient?m-
m"ACCURATEmANSWER"mm30-49/min
AnmEKGmtechmismprovidingminstructionsmformampatientmwhomismscheduledmformanmexercis
emstressmtest.mWhatminstructionsmshouldmtechminclude?m-
m"ACCURATEmANSWER"mm"Youmshouldmavoidmwearingmshoesmwithmhighmheelsmformthismt
est"
AnmEKGmtechmismpreparingmampatientmformanmexercisemstressmtest.mWhatmstatementmsho
uldmthemtechmmakembeforemthismtest?m-
m"ACCURATEmANSWER"mm"Thismproceduremrequiresminformedmconsent."
WhatmismthemfinalmstepmwhenmapplyingmamHoltermmonitor?m-
m"ACCURATEmANSWER"mmDocumentmthemprocedureminmthempatient'smhealthmrecord
Whichmofmthemfollowingmsymptomsmismmostmlikelymtombemconsistentmwithmbradycardia?
a.mhyperventilationm
b.BPm100/80
c.mcold/clammymskin
d.mpulsemratem140/minm-m"ACCURATEmANSWER"mmc.mcold/clammymskin
AnmEKGmtechnicianmismprescriptionmtomperformmanmEKGmtracingmonmanmoldermadultmpati
entmwhomismunconsciousmuponmarrivalmatmthememergencymdepartment.mWhatmactionmsho
uldmthemtechnicianmtake?m-
m"ACCURATEmANSWER"mmassumemimpliedmconsentmbecausemthempatient'smconditionmismco
nsideredmcritical
whatmleadmgroupsmrepresentmEinthoven'smTriangle?m-
m"ACCURATEmANSWER"mmLeadsmI,mII,mandmIII
AnmEKGmtechnicianmismperformingmamstressmtestmformampatient.mWhatmEKGmchangesmindi
catemthatmthempatientmismbeginningmtomshowmsignsmofmmyocardialmischemia?m-
m"ACCURATEmANSWER"mmDepressedmSTmsegment
WhichmofmthemfollowingmconditionsmismcharacterizedmbymSTmsegmentmdepressionmandmTm
waveminversion?m
a.mearlymrepolarizationm
b.melevatedmpotassiumm
c.mpericarditism
d.mmyocardialmischemiam-m"ACCURATEmANSWER"mmd.mmyocardialmischemia
AnmEKGmtechmeliminatesmanmEKGmtracingmartifactmbympluggingmthemmachinemintomamdiffe
rentmwallmoutlet.mWhatmwasmthemartifactmcausedmby?
a.mbrokenmrecordingm
b.msomaticmtremorsm
c.m60-cycleminterferencem
d.mbothmamandmcm-m"ACCURATEmANSWER"mmd.mbothmamandmc
AnmEKGmtechnicianminmanmoutpatientmfacilitymismobtainingmampatient'smvitalmsignsmandmis
mhavingmtroublemvisualizingmthempatient'smchestmmovement.mWhatmactionsmshouldmthemte
chnicianmtakemtomobtainmanmaccuratemrespiratorymratemformthempatient?m-
m"ACCURATEmANSWER"mmPlacemamhandmonmthemmiddlemofmthempatient'smbackmtomcount
mthemrespirations
AnmEKGmtechmshouldmrecognizemwhatmsignsmaremoftenmpresentmwhenmampatientmismexpe
riencingmventricularmtachycardia?m-
m"ACCURATEmANSWER"mmMultiplemprematuremventricularmcontractionsm(PVCs)minmamrow
WhatmstatementmshouldmanmEKGmtechmmakemwhenmpreparingmanm8-year-
oldmpatientmformamstandardm12-leadmEKG?m-
m"ACCURATEmANSWER"mm"Imammgoingmtomapplymsomemstickersmtomyourmbelly,marms,man
dmlegsmformthemtest"
WhatmsitemismthemmostmaccuratemformanmEKGmtechmtomusemwhenmmeasuringmampatient'
smbodymtemperature?m-m"ACCURATEmANSWER"mmtemporal
AnmEKGmtechmismworkingmwithmampatientmwhomhasmambelow-the-
kneemamputationmonmthemleftmleg.mWhatmlocationmshouldmthemtechmplacemthemrightmleg
, melectrode?m-
m"ACCURATEmANSWER"mmonmthemlowermrightmabdomenm(leadsmhavemtombemlevel)
Aftermcompletingmamstandardm12-
leadmEKGmonmampatient,mwhatmactionsmshouldmanmEKGmtechmtakemnext?m-
m"ACCURATEmANSWER"mmcheckmthatmthemtracingmismfreemfrommartifactsmandmthenmdisco
nnectmthempatientmfrommthemmachine
InmwhatmlocationsmshouldmanmEKGmtechmplacemthemelectrodesmformleadsmV7,mV8,mandmV
9?m-
m"ACCURATEmANSWER"mmEvenlymspacedmonmthembackmbetweenmthemaxillarymlinemandmth
emvertebralmcolumnmatmthem5thmintercostalmspace
AmthinmspikembeforemthemPmwavemindicatesmthatmampacemakermhasmbeenmimplantedmto
mpacemtomwhat?m-m"ACCURATEmANSWER"mmatria
Whatmactionmshouldmthemtechminstructmthempatientmtomtakemifmanymelectrodesmbecomem
loosemduringmatmhomemusemofmanmambulatorymmonitor?m-
m"ACCURATEmANSWER"mmapplymsurgicalmtapemtomelectrodesmtomkeepmthemminmplace
Whichmleadsmrecordmactivitymofmtheminferiormwallmofmthemleftmventricle?m-
m"ACCURATEmANSWER"mmleadsmIIImandmaVF
WhatmrhythmmismcharacterizedmbymabsentmPmwaves,mwidemQRSmcomplexes,mandmamventri
cularmratembetweenm20-40/mins?m-m"ACCURATEmANSWER"mmIdioventricularmrhythm
Whatmleadsmrecordmelectricalmactivitymofmthemlateralmwallmofmthemleftmventricle?m-
m"ACCURATEmANSWER"mmLeadsmI,maVL,mV5,mandmV6
InmwhatmlocationmshouldmbemthemEKGmtechmplacemthemelectrodesmformam3-
leadmambulatorymmonitor?m-
m"ACCURATEmANSWER"mmonmthemrightmshoulder,mthemleftmshoulder,mandmthemleftmabdo
men
AnmEKGmtechmismperformingmamstressmtestmformampatient.mWhatmchangesmindicatemthatm
thempatientmismbeginningmtomshowmsignsmofmmyocardialmischemia?m-
m"ACCURATEmANSWER"mmdepressedmSTmsegment
Whatmleadsmarembipolar?m-m"ACCURATEmANSWER"mmLeadsmI,mII,mandmIII
Whatmismthemexpectedmreferencemrangemformrespiratorymratemofmamnewbornmpatient?m-
m"ACCURATEmANSWER"mm30-49/min
AnmEKGmtechmismprovidingminstructionsmformampatientmwhomismscheduledmformanmexercis
emstressmtest.mWhatminstructionsmshouldmtechminclude?m-
m"ACCURATEmANSWER"mm"Youmshouldmavoidmwearingmshoesmwithmhighmheelsmformthismt
est"
AnmEKGmtechmismpreparingmampatientmformanmexercisemstressmtest.mWhatmstatementmsho
uldmthemtechmmakembeforemthismtest?m-
m"ACCURATEmANSWER"mm"Thismproceduremrequiresminformedmconsent."
WhatmismthemfinalmstepmwhenmapplyingmamHoltermmonitor?m-
m"ACCURATEmANSWER"mmDocumentmthemprocedureminmthempatient'smhealthmrecord
