Relias Dysrhythmia Basic A Test Questions and Answers ECG Interpretation Study Guide
Normal Sinus Rhythm What rhythm are these stats indicative of?
Rhythm: Regular
Rate: 60-100 bpm
Presence of P wave: Present/upright
PR interval: 0.12-0.2 msec
QRS: <0.12 msec
The rhythm has regular R-R intervals Why is this NSR?
The rate is 85 bpm
There's a P wave for every QRS
The PR interval is 0.20 msec and is consistent
The QRS is <0.12 msec and normal
Sinus Bradycardia What rhythm is this?
Sinus Bradycardia What rhythm are these stats indicative of?
Rhythm: Regular
Rate: <60 bpm
Presence of P wave: Present/upright
PR interval: 0.12-0.20 msec
QRS: <0.12 msec
The rhythm has regular R-R intervals Why is this SB?
The rate is 50 bpm
There's a P wave for every QRS
The PR interval is 0.20 msec and consistent
The QRS is 0.12 and wide
Sinus Tachycardia What rhythm is this?
Sinus Tachycardia What rhythm are these stats indicative of?
Rhythm: Regular
Rate: 100-150 bpm
Presence of P wave: Present/upright
PR interval: 0.12-0.20 msec
QRS: <0.12 msec
, Relias Dysrhythmia Basic A Test Questions and Answers ECG Interpretation Study Guide
The rhythm has regular R-R intervals Why is this ST?
The rate is 150 bpm
There is a P wave for every QRS
The PR interval is 0.08 msec and is consistent
The QRS is <0.12 msec
Sinus Arrhythmia What rhythm is this?
Sinus Arrhythmia What rhythm are these stats indicative of?
Rhythm: Irregular
Rate: 60-100 bpm
Presence of P wave: Present/upright
PR interval: 0.12-0.20 msec
QRS: <0.12 msec
The rhythm has irregular R-R intervals Why is this SA?
The rate is 80 bpm
There's a P wave for every QRS
The PR interval is normal and consistent
The QRS is <0.12 msec
Premature Atrial Contraction What rhythm is this?
Premature Atrial Contraction What rhythm are these stats indicative of?
Rhythm: Irregular
Rate: Defers to underlying rhythm
Presence of P wave: Present or hidden in T-wave
PR interval: 0.12-0.20 msec
QRS: <0.12 msec
Normal Sinus Rhythm What rhythm are these stats indicative of?
Rhythm: Regular
Rate: 60-100 bpm
Presence of P wave: Present/upright
PR interval: 0.12-0.2 msec
QRS: <0.12 msec
The rhythm has regular R-R intervals Why is this NSR?
The rate is 85 bpm
There's a P wave for every QRS
The PR interval is 0.20 msec and is consistent
The QRS is <0.12 msec and normal
Sinus Bradycardia What rhythm is this?
Sinus Bradycardia What rhythm are these stats indicative of?
Rhythm: Regular
Rate: <60 bpm
Presence of P wave: Present/upright
PR interval: 0.12-0.20 msec
QRS: <0.12 msec
The rhythm has regular R-R intervals Why is this SB?
The rate is 50 bpm
There's a P wave for every QRS
The PR interval is 0.20 msec and consistent
The QRS is 0.12 and wide
Sinus Tachycardia What rhythm is this?
Sinus Tachycardia What rhythm are these stats indicative of?
Rhythm: Regular
Rate: 100-150 bpm
Presence of P wave: Present/upright
PR interval: 0.12-0.20 msec
QRS: <0.12 msec
, Relias Dysrhythmia Basic A Test Questions and Answers ECG Interpretation Study Guide
The rhythm has regular R-R intervals Why is this ST?
The rate is 150 bpm
There is a P wave for every QRS
The PR interval is 0.08 msec and is consistent
The QRS is <0.12 msec
Sinus Arrhythmia What rhythm is this?
Sinus Arrhythmia What rhythm are these stats indicative of?
Rhythm: Irregular
Rate: 60-100 bpm
Presence of P wave: Present/upright
PR interval: 0.12-0.20 msec
QRS: <0.12 msec
The rhythm has irregular R-R intervals Why is this SA?
The rate is 80 bpm
There's a P wave for every QRS
The PR interval is normal and consistent
The QRS is <0.12 msec
Premature Atrial Contraction What rhythm is this?
Premature Atrial Contraction What rhythm are these stats indicative of?
Rhythm: Irregular
Rate: Defers to underlying rhythm
Presence of P wave: Present or hidden in T-wave
PR interval: 0.12-0.20 msec
QRS: <0.12 msec
