Questions and Answers
Graded A+
1. Normal sinus rhythm:
Answer: Regular Rate: 60-100
P Wave: Present, upright PR
Interval: 0.12-0.20 sec QRS:
<0.12 sec
2. Sinus Bradycardia:
Answer: Regular Rate: <60
P Wave: Present, upright PR
Interval: 0.12-0.20 sec QRS:
<0.12 sec
3. Sinus Tachycardia:
, Answer: Regular Rate: 100-150
P Wave: Present, upright PR
Interval: 0.12-0.20 sec QRS:
<0.12 sec
4. Premature Atrial Contraction:
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
5. Atrial Fibrillation:
Answer: IRREGULAR Atrial rate:
UNMEASURABLE
Ventricular rate: variable P
wave: unable to see PR
Interval: N/A
QRS: <0.12 sec
6. A fib RVR: