Relias Dysrhythmia Basic A Questions and
Answers
Normal sinus rhythm
Ans: Regular
Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Sinus Bradycardia
Ans: Regular
Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Sinus Tachycardia
Ans: Regular
Rate: 100-150
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Premature Atrial Contraction
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Ans: IRREGULAR
Rate: depends on underlying rhythm
P wave: Present or hidden in T wave
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Atrial Fibrillation
Ans: IRREGULAR
Atrial rate: UNMEASURABLE
Ventricular rate: variable
P wave: unable to see
PR Interval: N/A
QRS: <0.12 sec
A fib RVR
Ans: IRREGULAR
Ventricular rate: 100-175
P wave: unable to see
PR Interval: N/A
QRS <0.12 sec
Atrial Flutter
Ans: Usually REGULAR can be irregular
Atrial rate: 250-350
Ventricular rate: variable BUT < atrial rate
P Wave: Flutter
PR Interval: N/A
QRS: <0.12 sec
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