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Exam (elaborations)

Basic Dysrhythmia-Relias questions with solutions

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Basic Dysrhythmia-Relias questions with solutionsBasic Dysrhythmia-Relias questions with solutionsBasic Dysrhythmia-Relias questions with solutions

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Basic Dysrhythmia-Relias nj




1. normalsinus j
n heart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to100
nj nj nj nj nj nj nj nj nj nj nj nj nj nj nj n j nj




rhythm
nj beatsperminute
nj nj nj




2. Sinus Arrhythmia AppearanceisALMOSTNORMAL:
n j n j j
n j
n j
n




Respiratory-Circulatoryinteraction j
n j
n j
n




RateINCREASESwithINSPIRATION(IN=IN) j
n j
n j
n j
n




3. SinusBradycar- j
n <60
dia
nj normalsinusrhythm j
n j
n




4. SinusTachycar-
j
n >100 (100-150) n j




dia
j
n normalsinusrhythm j
n j
n




5. Premature Atrial Heart Rate: Depends on underlying rhythm
nj n j n j n j n j n j




Contraction(PAC) Regularity: Interrupts the regularity of underlying rhythm
nj j
n nj nj nj nj nj nj




P-Wave: can be flattened, notched, or unusual. May be hidden within the T wave PRI: nj nj nj nj nj nj nj nj nj nj nj nj nj nj




measures between .12-.20 seconds and can be prolonged; can be ditterent from other
nj nj nj nj nj nj nj nj nj nj nj nj nj




complexes nj




QRS:<.12seconds nj nj




6. Sinus Ar- nj - SAnodedoesn'tfire
j
n j
n j
n




rest/Pause
nj - notice absence of P-wave for a complete cycle (a missed cycle)
nj nj nj nj nj nj nj nj nj nj




nlength of pause `multiple of normal rate (block)
j nj nj nj nj nj nj nj




1/ 5j
n j
n

, Basic Dysrhythmia-Relias
nj




7. AtrialFibrillation
j
n an irregular and often very fast heart rate originating from abnormal conduction inthe
nj nj nj nj nj nj nj nj nj nj nj nj nj




(A-Fib)
nj atria
nj




8. Atrial Flutter
nj irregular beating of the atria; often described as "a-flutter with 2 to 1 block or 3 to 1
nj nj nj nj nj nj nj nj nj nj nj nj nj nj nj nj n j




block"
nj




9. Junctional 40-60Regular! nj




Rhythm
nj -impulse from AV node w/ retro/antegrade transmission
nj nj nj nj nj nj




- Pwave often inverted/buried/follow QRS
nj nj nj nj




- slowrate j
n




- narrowQRS(notwidelikeventricular) nj nj nj nj nj




10. Junctional Tachy- nj >60bpm(ms.K;150-250)
j
n j
n j
n j
n




cardia
nj - KEY:willberegular(consistent)
j
n j
n j
n j
n




- AV junction produces a rapid sequence of QRS-T cycles
nj nj nj nj nj nj nj nj




- p-wave often inverted/buried/follow QRS n j n j n j




11. PrematureJunc- j
n Invertedpwaveorhiddenpwave PRI<0.12or nj nj nj nj nj nj nj nj




tionalContrac-
nj nj none
nj




tion
nj NormalQRS nj




2/ 5 j
n j
n

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