Relias Dysrhythmia Basic Test Answers 2023 Dysrhythmia –
Basic A ( A+ GRADED 100% VERIFIED)
Relias Dysrhythmia Basic Test Answers
normal sinus rhythm
heart rhythm originating in the sinoatrial node with a rate in patients at rest
of 60 to 100 beats per minute
Sinus Arrhythmia
Appearance is ALMOST NORMAL:
Respiratory – Circulatory interaction
Rate INCREASES with INSPIRATION (IN=IN)
Sinus Bradycardia
<60
normal sinus rhythm
Sinus Tachycardia
>100 (100-150)
normal sinus rhythm
,Relias Dysrhythmia Basic Test Answers 2023 Dysrhythmia –
Basic A ( A+ GRADED 100% VERIFIED)
Premature Atrial Contraction (PAC)
Heart Rate: Depends on underlying rhythm
Regularity: Interrupts the regularity of underlying rhythm
P-Wave: can be flattened, notched, or unusual. May be hidden within the T
wave
PRI: measures between .12-.20 seconds and can be prolonged; can be
different from other complexes
QRS: <.12 seconds
Sinus Arrest/Pause
– SA node doesn’t fire
– notice absence of P-wave for a complete cycle (a missed cycle)
length of pause ≠ multiple of normal rate (block)
Atrial Fibrillation (A-Fib)
an irregular and often very fast heart rate originating from abnormal
conduction in the atria
Atrial Flutter
, Relias Dysrhythmia Basic Test Answers 2023 Dysrhythmia –
Basic A ( A+ GRADED 100% VERIFIED)
irregular beating of the atria; often described as “a-flutter with 2 to 1 block or 3
to 1 block”
Junctional Rhythm
40-60 Regular!
-impulse from AV node w/ retro/antegrade transmission
– P wave often inverted/buried/follow QRS
– slow rate
– narrow QRS (not wide like ventricular)
Junctional Tachycardia
>60 bpm (ms. K; 150-250)
– KEY: will be regular (consistent)
– AV junction produces a rapid sequence of QRS-T cycles
– p-wave often inverted/buried/follow QRS
Premature Junctional Contraction
Inverted p wave or hidden p wave
PRI<0.12 or none
Normal QRS
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