update 2026/27
Study online at https://quizlet.com/_j0gf36
1. Normal sinus Regular
rhythm Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
2. Sinus Bradycar- Regular
dia Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
3. Sinus Tachycar- Regular
dia Rate: 100-150
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
, Relias Dysrhythmia Basic A exam | questions with complete solution | lates
update 2026/27
Study online at https://quizlet.com/_j0gf36
4. Premature Atrial IRREGULAR
Contraction 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