W W W
1.Normal sinus rhythm: Regular
W W W
Rate: 60-100
W W
P Wave: Present, upright PR
W W W W
Interval: 0.12-0.20 sec QRS:
W W W W
<0.12 sec
W W
2.Sinus Bradycardia: Regular
W W
Rate: <60
W W
P Wave: Present, upright PR
W W W W
Interval: 0.12-0.20 sec QRS:
W W W W
<0.12 sec
W W
3.Sinus Tachycardia: Regular
W W
Rate: 100-150
W W
P Wave: Present, upright PR
W W W W
Interval: 0.12-0.20 sec QRS:
W W W W
<0.12 sec
W W
4.Premature Atrial Contraction: IRREGULAR
W W W
1 W/
W12
, Relias Dysrhythmia Basic A
W W W
W Rate: depends on underlying rhythm
W W W W
P wave: Present or hidden in T wave
W W W W W W W
W PR Interval: 0.12-0.20 sec
W W W
QRS: <0.12 sec W W
5.Atrial Fibrillation: IRREGULAR W W
W Atrial rate: UNMEASURABLE
W W
W Ventricular rate: variable W W
P wave: unable to see
W W W W
W PR Interval: N/A
W W
W QRS: <0.12 sec
W W
6.A fib RVR: IRREGULAR
W W W
Ventricular rate: 100-175 P W W W
W wave: unable to see PR
W W W W
W Interval: N/A W
QRS <0.12 sec W W
7.Atrial Flutter: Usually REGULAR can be irregular
W W W W W W
W Atrial rate: 250-350
W W
Ventricular rate: variable BUT < atrial rate P
W W W W W W W
W Wave: Flutter W
2 W/
W12