Basic Dysrhythmia-Relias questions with solutions

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
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rhythm
nj beatsperminute
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2. Sinus Arrhythmia AppearanceisALMOSTNORMAL:
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Respiratory-Circulatoryinteraction j
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RateINCREASESwithINSPIRATION(IN=IN) j
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3. SinusBradycar- j
n <60
dia
nj normalsinusrhythm j
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4. SinusTachycar-
j
n >100 (100-150) n j




dia
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n normalsinusrhythm j
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5. Premature Atrial Heart Rate: Depends on underlying rhythm
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Contraction(PAC) Regularity: Interrupts the regularity of underlying rhythm
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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
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complexes nj




QRS:<.12seconds nj nj




6. Sinus Ar- nj - SAnodedoesn'tfire
j
n j
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rest/Pause
nj - notice absence of P-wave for a complete cycle (a missed cycle)
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nlength of pause `multiple of normal rate (block)
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1/ 5j
n j
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, Basic Dysrhythmia-Relias
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7. AtrialFibrillation
j
n an irregular and often very fast heart rate originating from abnormal conduction inthe
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(A-Fib)
nj atria
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8. Atrial Flutter
nj irregular beating of the atria; often described as "a-flutter with 2 to 1 block or 3 to 1
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block"
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9. Junctional 40-60Regular! nj




Rhythm
nj -impulse from AV node w/ retro/antegrade transmission
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- Pwave often inverted/buried/follow QRS
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- slowrate j
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- narrowQRS(notwidelikeventricular) nj nj nj nj nj




10. Junctional Tachy- nj >60bpm(ms.K;150-250)
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cardia
nj - KEY:willberegular(consistent)
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- AV junction produces a rapid sequence of QRS-T cycles
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- 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-
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tion
nj NormalQRS nj




2/ 5 j
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