1. Normal sinus rhythm: Regular Rate: 60-100
P Wave: Present, upright PR Interval: 0.12-0.20 sec
QRS: <0.12 seca
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
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
1/5
, Relias Dysrhythmia Basic A
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
P Wave: NONE or INVERTED
PR Interval: None or <0.12 QRS: <0.12 sec
12. Premature Ventricular Contraction: IRREGULAR Rate: refer to underlying rhythm
P Wave: NONE PR Interval:
N/A
QRS: WIDE and BIZARRE , >0.12 sec
13. Ventricular Tachycardia: Regular Rate: >100
P Wave: NONE PR Interval:
N/A
QRS: WIDE and BIZARRE, >0.12 sec
14. Ventricular Fibrillation: Chaotic Coarse: big waves
Fine: small waves Rate: unmeasurable P
Wave: NONE
PR Interval: N/A QRS: N/A
15. Idioventricular: Regular
Rate: 20-50
P wave: NONE
2/5