Relias Dysrhythmia Basic Test Answers Solution guide 2023..pdf

Relias Dysrhythmia Basic Test Answers | verified rated A+
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normal sinus rhythm
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heart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 10
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0 beats per minute
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Sinus Arrhythmia
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Appearance is ALMOST NORMAL:
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Respiratory – Circulatory interaction
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Rate INCREASES with INSPIRATION (IN=IN)
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Sinus Bradycardia
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<60

normal sinus rhythm
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,Sinus Tachycardia
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>100 (100-150)
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Premature Atrial Contraction (PAC) g g g




Heart Rate: Depends on underlying rhythm
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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:
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measures between .12- g g




.20 seconds and can be prolonged; can be different from other complexes
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QRS: <.12 seconds
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Sinus Arrest/Pause
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– SA node doesn’t fire
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– notice absence of P- g g g




wave for a complete cycle (a missed cycle) length of pause ≠ multi
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ple of normal rate (block)
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, Atrial Fibrillation (A-Fib)
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an irregular and often very fast heart rate originating from abnormal conduction in th
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e atria
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Atrial Flutter g




irregular beating of the atria; often described as “a-
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flutter with 2 to 1 block or 3 to 1 block”
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Junctional Rhythm g




g 40-60 Regular!
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-impulse from AV node w/ retro/antegrade transmission
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– P wave often inverted/buried/follow QRS
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– slow rate g




– narrow QRS (not wide like ventricular)
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