Relias Dysrhythmia Basic A 2025 | Comprehensive Q&A For Certification Success| A+ Guide Solution
Normal sinus rhythm -correct-answer-Regular
Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Sinus Bradycardia -correct-answer-Regular
Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Sinus Tachycardia -correct-answer-Regular
Rate: 100-150
P Wave: Present, upright
2 | P a g e
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
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
AV Node -correct-answer-2nd
40-60
Bundle of His -correct-answer-3rd
40-45
Right and Left Bundle Branches -correct-answer-4th
40-45
