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BASIC DYSRHYTHMIA QUESTIONS AND ANSWERS.pdf, Exams of Nursing

Phoenix CollegeNursing

BASIC DYSRHYTHMIA QUESTIONS AND ANSWERS.pdf

Typology: Exams

2024/2025

Available from 07/03/2025

bloomstudys
bloomstudys 🇺🇸

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BASIC DYSRHYTHMIA-RELIAS QUESTIONS AND ACCURATE
SOLUTIONS
normalrhsinusrhrhythmrh-
rhanswersheartrhrhythmrhoriginatingrhinrhtherhsinoatrialrhnoderhwithrharhraterhinrhpatientsrhatrhrestrhofrh60rhtorh100rhb
eatsrhperrhminute
SinusrhArrhythmiarh-rhanswersAppearancerhisrhALMOSTrhNORMAL:
Respiratoryrh-rhCirculatoryrhinteraction
RaterhINCREASESrhwithrhINSPIRATIONrh(IN=IN)
SinusrhBradycardiarh-rhanswers<60
normalrhsinusrhrhythm
SinusrhTachycardiarh-rhanswers>100rh(100-150)
normalrhsinusrhrhythm
PrematurerhAtrialrhContractionrh(PAC)rh-rhanswersHeartrhRate:rhDependsrhonrhunderlyingrhrhythm
Regularity:rhInterruptsrhtherhregularityrhofrhunderlyingrhrhythm
P-Wave:rhcanrhberhflattened,rhnotched,rhorrhunusual.rhMayrhberhhiddenrhwithinrhtherhTrhwave
PRI:rhmeasuresrhbetweenrh.12-
.20rhsecondsrhandrhcanrhberhprolonged;rhcanrhberhdifferentrhfromrhotherrhcomplexes
QRS:rh<.12rhseconds
SinusrhArrest/Pauserh-rhanswers-rhSArhnoderhdoesn'trhfire
pf3
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BASIC DYSRHYTHMIA-RELIAS QUESTIONS AND ACCURATE

SOLUTIONS

normalrhsinusrhrhythmrh- rhanswersheartrhrhythmrhoriginatingrhinrhtherhsinoatrialrhnoderhwithrharhraterhinrhpatientsrhatrhrestrhofrh 60 rhtorh 100 rhb eatsrhperrhminute SinusrhArrhythmiarh-rhanswersAppearancerhisrhALMOSTrhNORMAL: Respiratoryrh-rhCirculatoryrhinteraction RaterhINCREASESrhwithrhINSPIRATIONrh(IN=IN) SinusrhBradycardiarh-rhanswers< normalrhsinusrhrhythm SinusrhTachycardiarh-rhanswers>100rh(100-150) normalrhsinusrhrhythm PrematurerhAtrialrhContractionrh(PAC)rh-rhanswersHeartrhRate:rhDependsrhonrhunderlyingrhrhythm Regularity:rhInterruptsrhtherhregularityrhofrhunderlyingrhrhythm P-Wave:rhcanrhberhflattened,rhnotched,rhorrhunusual.rhMayrh berhhiddenrhwithinrhtherhTrhwave PRI:rhmeasuresrhbetweenrh.12- .20rhsecondsrhandrhcanrhberhprolonged;rhcanrhberhdifferentrhfromrhotherrhcomplexes QRS:rh<.12rhseconds SinusrhArrest/Pauserh-rhanswers-rhSArhnoderhdoesn'trhfire

  • rhnoticerhabsencerhofrhP-waverhforrharhcompleterhcyclerh(arhmissedrhcycle) lengthrhofrhpauserh≠rhmultiplerhofrhnormalrhraterh(block) AtrialrhFibrillationrh(A-Fib)rh- rhanswersanrhirregularrhandrhoftenrhveryrhfastrhheartrhraterhoriginatingrhfromrhabnormalrhconductionrhinrhtherhat ria AtrialrhFlutterrh-rhanswersirregularrhbeatingrhofrhtherhatria;rhoftenrhdescribedrhasrh"a- flutterrhwithrh 2 rhtorh 1 rhblockrhorrh 3 rhtorh 1 rhblock" JunctionalrhRhythmrh-rhanswers40- 60 rhRegular!
  • impulserhfromrhAVrhnoderhw/rhretro/antegraderhtransmission
  • rhPrhwaverhoftenrhinverted/buried/followrhQRS
  • rhslowrhrate
  • rhnarrowrhQRSrh(notrhwiderhlikerhventricular) JunctionalrhTachycardiarh-rhanswers>60rhbpmrh(ms.rhK;rh 150 - 250)
  • rhKEY:rhwillrhberhregularrh(consistent)
  • rhAVrhjunctionrhproducesrharhrapidrhsequencerhofrhQRS-Trhcycles
  • rhp-waverhoftenrhinverted/buried/followrhQRS PrematurerhJunctionalrhContractionrh-rhanswersInvertedrhprhwaverhorrhhiddenrhprhwave PRI<0.12rhorrhnone NormalrhQRS SupraventricularrhTachycardiarh(SVT)rh- rhanswersanrhabnormalrhheartrhrhythmrharisingrhfromrhaberrantrhelectricalrhactivityr hinrhtherhheart;rhoriginate srhatrhorrhaboverhtherhAVrhnode

Ventricularrhfibrillationrh(V-fib)rh- rhanswersabnormalrhheartrhrhythmrhwhichrhresultsrhinrhquiveringrhofrhventricles IdioventricularrhRhythmrh-rhanswers< looksrhlikerhvtachrhbutrhslow

  • rhnorhPrhwavesrh(fromrhventrhfoci)
  • rhWiderhQRS (serious,rhdeathrhlikerhrhythm)
  • rhcalledrh"dyingrhheart"rhrhythm...occasionalrhventricrhbeatrhb4rhdeathrh(asystole) AcceleratedrhIdioventricularrhRhythmrh-rhanswersRate:rh 50 rh-rh 100 rhusuallyrh(usuallyrhslow)rh Prhwave:rhObscuredrhbyrhventricularrhwavesrh(occurrhduringrhventricularrhcontraction)rh- rhSArhnoderhslowerrhthanrhfasterrhventricularrhpacingrhthanrhshouldrhbe QRS:rhWiderhQRS Conduction:rhVentricularrhonly Rhythm:rhRegular
  • rhbenignrhrhythmrhthatrhisrhsometimesrhseenrhduringrhacuterhMIrhorrhearlyrhafterrhreperfusion.rh- rhRarelyrhsustained,rhdoesrhnotrhprogressrhtorhvfib,rhrarelyrhrequiresrhtreatment asystolerh-rhanswersabsencerhofrhcontractionsrhofrhtherhheart Failurerhtorhcapturerh(pacemaker)rh-rhanswers failurerhtorhsenserh(pacemaker)rh-rhanswers Atrialrhpacedrhrhythmrh-rhanswersspikerhbeforerhPrhwave

Ventricularrhpacedrhrhythmrh- rhanswersventricularrhcontractionsrhwhichrhoccurrhinrhcasesrhofrhcompleterhheartrhblock.