Basic Dysrhythmia Assessment A, Relias Dysrhythmia, Advanced Cardiac Dysrhythmias 2026

Relias Dysrhythmia Basic A

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

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

P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
4. 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
5. Atrial Fibrillation: IRREGULAR
Atrial rate: UNMEASURABLE
Ventricular rate: variable
P wave: unable to see
PR Interval: N/A
QRS: <0.12 sec
6. A fib RVR: IRREGULAR



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, Relias Dysrhythmia Basic A

Ventricular rate: 100-
175
P wave: unable to see
PR Interval: N/A
QRS <0.12 sec
7. 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
8. Supraventricular Tachycardia: Regular
Rate: 150-350
P wave: Hidden in QRS or T wave
PR: unable to determine
QRS: <0.12 sec
9. Junctional Rhythm: Regular
Rate: 40-60
P Wave: ABSENT or INVERTED
PR Interval: None or <0.12
QRS: <0.12 sec
10. Accelerated Junctional Rhythm: Regular
Rate: 60-100

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


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