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Relias Dysrhythmia Basic A Exam Questions & Verified Answers | ECG/EKG Interpretation Practice Test & Study Guide | Latest | Grade A+ | 2026/2027

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Prepare for the Relias Dysrhythmia Basic A assessment with this focused exam prep PDF featuring ECG/EKG interpretation practice questions and answers. Review cardiac rhythms, ECG fundamentals, rhythm identification, rate and intervals, and essential dysrhythmia concepts while organizing your preparation for the 2026/2027 academic year. Save study time, practice effectively, and get the latest Relias Dysrhythmia review PDF today!

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Relias Dysrhythmia Basic A - Exam Prep, ECG/EKG Interpretation Practice Questions & Verified Answers

Normal sinus rhythm Regular
Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec




Sinus Bradycardia Regular
Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec




Sinus Tachycardia Regular
Rate: 100-150
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec




Premature Atrial Contraction 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 IRREGULAR
Atrial rate: UNMEASURABLE
Ventricular rate: variable
P wave: unable to see
PR Interval: N/A
QRS: <0.12 sec




Stuvia 2026-2027

, Relias Dysrhythmia Basic A - Exam Prep, ECG/EKG Interpretation Practice Questions & Verified Answers

A fib RVR IRREGULAR
Ventricular rate: 100-175
P wave: unable to see
PR Interval: N/A
QRS <0.12 sec




Atrial Flutter 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




Supraventricular Tachycardia Regular
Rate: 150-350
P wave: Hidden in QRS or T wave
PR: unable to determine
QRS: <0.12 sec




Junctional Rhythm Regular
Rate: 40-60
P Wave: ABSENT or INVERTED
PR Interval: None or <0.12
QRS: <0.12 sec




Accelerated Junctional Rhythm Regular
Rate: 60-100
P Wave: NONE or INVERTED
PR Interval: None or <0.12
QRS: <0.12 sec




Junctional Tachycardia Regular
Rate: >100
P Wave: NONE or INVERTED
PR Interval: None or <0.12
QRS: <0.12 sec




Stuvia 2026-2027

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