Relias Dysrhythmia Basic Test 35 Questions and Answers 2023 (Basic A Dysrhythmia) 2.

RELIAS DYSRHYTHMIA BASIC TEST ANSWERS 2
c c c c c



024 (A+ GRADED 100% VERIFIED BY EXPERT)
c c c c c c




dysrhythm cc iacakacarrhythmiac-cCorrectcanswerc-cabnormalccardiaccrhythms

whichccanccausecdisturbancescof:crate
,crhythm,corcbothcratecandcrhythm

howcarecdysrhythmiascidentified?c-
cCorrectcanswercElectrographiccWaveformcAnalysisc(ECG)




whatccontrolscthecratecandcrhythmcofcthecheartbeat?c-
cCorrectcanswercthecheart'scelectricalcsystem




explaincthecheart'scelectricalcsystemc-
cCorrectcanswercEachcelectricalcsignalc(impulse)cbeginscincacgroupcofccellsccalledcthecsinusc

nodecorcsinoatrialc(SA)cnode.cThecSAcnodecisclocatedcincthecrightcatrium.cIncachealthycadultch
eartcatcrest,cthecSAcnodecsendscancelectricalcsignalctocbegincacnewcheartbeatc60ctoc100ctime
scacminute.c(Thiscratecmaycbecslowercincverycfitcathletes.)

FromcthecSAcnode,cthecelectricalcsignalctravelscthroughcthecrightcandcleftcatria.cItccausescthec
atriactoccontractcandcpumpcbloodcintocthecventricles.

Thecelectricalcsignalcthencmovescdownctocacgroupcofccellsccalledcthecatrioventricularc(AV)cn
ode,clocatedcbetweencthecatriacandcthecventricles.cHere,cthecsignalcslowscdowncslightly,call
owingcthecventriclesctimectocfinishcfillingcwithcblood.

ThecelectricalcsignalcthencleavescthecAVcnodecandctravelsctocthecventricles.cItccausescthecve
ntriclesctoccontractcandcpumpcbloodctoctheclungscandcthecrestcofcthecbody.cThecventriclescth
encrelax,candcthecheartbeatcprocesscstartscallcovercagaincincthecSAcnode.

normalcsinuscrhythmc(characteristics)c-cCorrectcanswerc1.cRate:60-100cbeats/min
cRhythm:cregular

2. Pcwave:cuprightc.06-.12csec
3. PRcinterval:c.12-.20csec

4. QRSccomplex:c<.03csec

SinuscBradycardiac-
cCorrectcanswercincsinuscbradycardia,cthecconductioncpathwayciscthecsamecbutcthecimpulsec

generatescincthecSAcnodecslowercthancusualccausingcacslowedcheartcratec>60
-
symptomaticcsinuscbradycardiacrefersctocacHRc>60candciscinadequatecforcthecpatientsccondit
ionccausingcsymptoms

sinuscbradycardiac(ECGccharacteristics)c-cCorrectcanswerc1.cRate:c<c60cbeats/min

1
[Date]

,RELIAS DYSRHYTHMIA BASIC TEST ANSWERS 2
c c c c c



024 (A+ GRADED 100% VERIFIED BY EXPERT)
c c c c c c




Rhythm:cregular
c

2. Pcwave:cNormal
3. PRcinterval:cNormal

4. QRSccomplex:cNormal

sinuscbradycardiacclinicalcassociationsc-
cCorrectcanswerc1.cmaycbecacnormalcincATHLETEScandcduringcSLEEP

2. occurscincresponsecto:

carotidcsinuscmassagecValsalv
acmaneuverchypothermia

increasedcintraocularcpressurec
vagalcstimulation
andccertaincdrugsc(cBblockers,cCacchannelcblockers)

3. diseasecstatescassociatedcwithcit:c
hypothyroidism
increasedcintracranialcpressurechypogl
ycemia
inferiorcMI

SinuscBradycardia:cClinicalcSignificancec-
cCorrectcanswercclinicalcsignificancecofcsinuscbradycardiacdependsconchowcthecptctoleratesc

it.

S&Scofcsymptomaticcsinuscbradycardiacinclude:

pale,ccoolcskinch
ypotensioncweak
ness

anginacdizziness/syncop
ecconfusion/disorientatio
n

shortnesscofcbreath

treatmentcforcsymptomaticcsinuscbradycardiac-
cCorrectcanswercatropinec(anticholinergic)ctranscutaneouscpacing

dopamine/epinephrinecinfusion

permanentcpacemaker


[Date] 2

,RELIAS DYSRHYTHMIA BASIC TEST ANSWERS 2
c c c c c



024 (A+ GRADED 100% VERIFIED BY EXPERT)
c c c c c c




ifcduectocdrugs,cdrugscmaycbecheld

transcutaneouscpacingc-
cCorrectcanswercakacexternalcpacing.cTemporarycmeanscofcpacingcacpatient'scheartcduringc

acmedicalcemergency,caccomplishedcbycdeliveringcpulsescofcelectricccurrentcthroughcthecpa
tient'scchest,cwhichcstimulatescthecheartctoccontract.cThecmostccommoncindicationcforctrans
cutaneouscpacingciscancabnormallycslowcheartcrate.

-
padscarecplacedconcthecpatient'scchest.canterior/posteriorcpositionciscpreferred.c"Sandwichi
ng"cthecheartcbetweencthectwocpadscminimizesctransthoraciccelectricalcimpedance

SinuscTachycardiac-
cCorrectcanswercrateciscfastercthancusualcbutcrhythmciscnormal.cimpulseciscgeneratedcquicke

rcthancnormalcincSAcnode

sinusctachycardiac(characteristics)c-cCorrectcanswerc1.cRate:101-200cbeats/min
cRhythm:cregular




2. Pcwave:cNormal
3. PRcinterval:cNormal
4. QRSccomplex:cNormal

SinuscTachycardia:cClinicalcAssociationsc-
cCorrectcanswercassociatedcwithcphysiologiccandcpsychologiccstressors

orcdrugs

SinuscTachycardia:cClinicalcSignificancec-
cCorrectcanswercdependsconcptsctolerancecofcthecincreasedcHR

-cmaychave
dizziness,cdyspnea,candchypotensioncbecausecofcdecreasedcCO

SinuscTachycardia:cTreatmentc-
cCorrectcanswercunderlyingccausecofctachycardiacguidescthectreatment

-
ex:cifcptciscexperiencingctachycardiacfromcpain,ceffectivecpaincmanagementciscimportantctoct
reatctachycardia
-
cincclinicallycstablecpts,cvagalcmaneuversccancbecattempted.cIncaddition,cIVcBblockersccancb

ecgivenctocdecreasecHRcandcdecreasecmyocardialcoxygencconsumption

PrematurecAtrialcContractionc(PAC)c-
cCorrectcanswercacPACciscaccontractioncstartingcatcancectopiccfocuscincthecatriumcandccomin

gcsoonercthancthecnextcexpectedcsinuscbeat

-
Pcwaveciscabnormallycshapedcbccthecimpulsectravelscacrosscthecatriacincancabnormalcpathw 3
ay

, RELIAS DYSRHYTHMIA BASIC TEST ANSWERS 2
c c c c c



024 (A+ GRADED 100% VERIFIED BY EXPERT)
c c c c c c




[Date]