BASIC DYSRHYTHMIA COURSE EXAM QUESTIONS AND CORRECT ANSWERS

BASIC DYSRHYTHMIA COURSE EXAM
QUESTIONS AND CORRECT ANSWERS

SAA2nodeA2-A2Ans--theA2majorA2pacemakerA2ofA2theA2heart

60-100A2-A2Ans--inherentA2rateA2ofA2theA2SAA2node

40-60A2-A2Ans--inherentA2rateA2ofA2theA2AVA2node

20-40A2-A2Ans--inherentA2rateA2ofA2theA2ventriclesA2(purkinjieA2fibers)

systoleA2-A2Ans--phaseA2ofA2contraction

diastoleA2-A2Ans--phaseA2ofA2relaxation

pA2waveA2-A2Ans--whatA2doesA2atrialA2depolarizationA2showA2onA2theA2ECG?

QRSA2complexA2-A2Ans--whatA2doesA2ventricleA2depolarizationA2showA2onA2theA2ECG?

TA2waveA2-A2Ans--whatA2doesA2repolarizationA2showA2onA2theA2ECG?

increaseA2-A2Ans--whatA2doesA2sympatheticA2stimulationA2doA2toA2theA2heartA2rate?

decreaseA2-A2Ans--whatA2doesA2parasympatheticA2stimulationA2doA2toA2theA2heartA2rate?

absoluteA2refractoryA2periodA2-A2Ans--
theA2periodA2immediatelyA2followingA2theA2firingA2ofA2aA2nerveA2fiberA2whenA2itA2cannotA2b
eA2stimulatedA2noA2matterA2howA2greatA2aA2stimulusA2isA2applied

relativeA2refractoryA2periodA2-A2Ans--
duringA2theA2ventricularA2cardiacA2cycleA2whenA2allA2cardiacA2cellsA2areA2notA2fullyA2repola
rizedA2andA2aA2strongA2enoughA2stimulusA2canA2exciteA2cardiacA2tissueA2andA2initiateA2arr
hythmias

lastA2halfA2ofA2tA2waveA2-A2Ans--
WhenA2isA2theA2relativeA2refractoryA2periodA2ofA2theA2ventricles?

.20A2secsA2-A2Ans--howA2muchA2timeA2isA2oneA2largeA2boxA2inA2anA2ecgA2strip?

.04A2secsA2-A2Ans--howA2muchA2timeA2isA2oneA2smallA2boxA2inA2anA2ecgA2strip?

0.12-0.20A2-A2Ans--normalA2rangeA2ofA2PRA2interval

, 0.04-0.12A2-A2Ans--normalA2rangeA2ofA2QRSA2complex

lessA2thanA21/2A2theA2precedingA2R-RA2intervalA2-A2Ans--
whatA2isA2theA2normalA2timeA2ofA2theA2QT?

pA2toA2pA2-A2Ans--howA2doA2youA2measureA2theA2atrialA2rate?

RA2toA2RA2-A2Ans--howA2doA2youA2measureA2theA2ventricularA2rate?

sinusA2rhythmA2-A2Ans--

sinusA2bradycardiaA2-A2Ans--

assessA2pt
atropine
pacing
IV,A2O2A2-A2Ans--txA2forA2sinusA2bradycardia

sinusA2tachycardiaA2-A2Ans--

treatA2underlyingA2causeA2(Fever,A2pain,A2hypoxia)A2-A2Ans--txA2forA2sinusA2tachycardia

sinusA2arrhythmiaA2-A2Ans--
irregularA2rhythmA2thatA2variesA2withA2respiration;A2rateA2increasesA2withA2inspirationA2and
A2decreasesA2withA2expiration


PrematureA2AtrialA2ContractionA2-A2Ans--
rhythmA2withA2anA2earlyA2PA2wave,A2butA2theA2nextA2PA2waveA2comesA2onA2time

PrematureA2AtrialA2ContractionA2(PAC)A2-A2Ans--

continueA2toA2monitor
checkA2electrolytesA2andA2oxygen
possibleA2betablocker/calciumA2channelA2blockerA2-A2Ans--txA2forA2PAC

AtrialA2TachycardiaA2-A2Ans--atrialA2Rate:A2160-
250A2beatsA2perA2minute,A2reglularA2rhythm/QRS/

betablockers/calciumA2channelA2blocker
cardioversion
adenosine**
vagalA2manueverA2-A2Ans--txA2forA2atrialA2tachycardia

atrialA2flutterA2-A2Ans--

atrialA2flutterA2-A2Ans--atrialA2rateA2ofA2250-350