Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
2.Sinus Bradycardia - Correct Answer - Regular
Rate: <60 P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
3.Sinus Tachycardia - Correct Answer - Regular
Rate: 100-150 P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
4.Premature Atrial Contraction - Correct Answer - 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 - Correct Answer - IRREGULAR
5.Atrial rate: UNMEASURABLE
Ventricular rate: variable
P wave: unable to see
PR Interval: N/A
QRS: <0.12 sec