RN Dysrhythmia Basic A Relias – Practice Questions & ECG Interpretation Guide (2026)

Relias Dysrhythmia Basic A 2026
EXAM
Normal sinus rhythm - CORRECT
G9 G9 G9 G9 G9 ANSWER-Regular
Rate: 60-100
G9



P Wave: Present, upright
G9 G9 G9



PR Interval: 0.12-0.20 sec
G9 G9 G9



QRS: <0.12 sec
G9 G9




Sinus Bradycardia - CORRECT
G9 G9 G9 G9 ANSWER-Regular
Rate: <60 G9



P Wave: Present, upright
G9 G9 G9



PR Interval: 0.12-0.20 sec
G9 G9 G9



QRS: <0.12 sec
G9 G9




Sinus Tachycardia
G9 G9 - CORRECT ANSWER-Regular
G9 G9




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, Rate: 100-150
G9



P Wave: Present, upright
G9 G9 G9



PR Interval: 0.12-0.20 sec
G9 G9 G9



QRS: <0.12 sec
G9 G9




Premature Atrial Contraction - CORRECT
G9 G9 G9 G9 G9 ANSWER-IRREGULAR
Rate: depends on underlying rhythm
G9 G9 G9 G9



P wave: Present or hidden in T wave
G9 G9 G9 G9 G9 G9 G9



PR Interval: 0.12-0.20 sec
G9 G9 G9



QRS: <0.12 sec
G9 G9




Atrial Fibrillation - CORRECT
G9 G9 G9 G9 ANSWER-IRREGULAR
Atrial rate: UNMEASURABLE
G9 G9



Ventricular rate: variable G9 G9



P wave: unable to see
G9 G9 G9 G9



PR Interval: N/A
G9 G9



QRS: <0.12 sec
G9 G9




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