AACN Dysrhythmias Questions and
Answers
Normal PR interval ANSWER 0.12-0.20 seconds
QRS complex ANSWER <0.10 seconds
QT interval ANSWER 0.36-0.44 seconds
One small box on the ECG paper indicates: ANSWER 0.04 seconds
One large box on the EKG paper represents ANSWER 0.2 seconds
Anatomy of the heart ANSWER SA node to the AV node to the Bundle of His to the Bundle
Branches to the Purkinjie Fibers
Interventions for when you see artifact: ANSWER Check the patient
Check the leads, electrodes, shivering/movement
Normal Sinus Rhythm ANSWER Regular
HR: 60-100 bpm
P waves present and before QRS
PR Interval: 0.12-0.20 seconds
QRS Interval: <0.10 seconds
QT interval: 0.36-0.44 seconds
, Treatment:
Monitor pt
Sinus Bradycardia ANSWER Regular
HR: <60 bpm
P waves present and before QRS
PR Interval: 0.12-0.20 seconds
QRS Interval: <0.10 seconds
QT interval: 0.36-0.44 seconds
Treatment:
- Check pt for symptoms. (normal for athletes and during sleep)
- Can occur in response to vagal stimulation
TX: Atropine and monitor pt
Sinus Tachycardia ANSWER Regular
HR: >100 bpm
P waves present and before QRS
PR Interval: 0.12-0.20 seconds
QRS Interval: <0.10 seconds
QT interval: 0.36-0.44 seconds
Treatment:
Answers
Normal PR interval ANSWER 0.12-0.20 seconds
QRS complex ANSWER <0.10 seconds
QT interval ANSWER 0.36-0.44 seconds
One small box on the ECG paper indicates: ANSWER 0.04 seconds
One large box on the EKG paper represents ANSWER 0.2 seconds
Anatomy of the heart ANSWER SA node to the AV node to the Bundle of His to the Bundle
Branches to the Purkinjie Fibers
Interventions for when you see artifact: ANSWER Check the patient
Check the leads, electrodes, shivering/movement
Normal Sinus Rhythm ANSWER Regular
HR: 60-100 bpm
P waves present and before QRS
PR Interval: 0.12-0.20 seconds
QRS Interval: <0.10 seconds
QT interval: 0.36-0.44 seconds
, Treatment:
Monitor pt
Sinus Bradycardia ANSWER Regular
HR: <60 bpm
P waves present and before QRS
PR Interval: 0.12-0.20 seconds
QRS Interval: <0.10 seconds
QT interval: 0.36-0.44 seconds
Treatment:
- Check pt for symptoms. (normal for athletes and during sleep)
- Can occur in response to vagal stimulation
TX: Atropine and monitor pt
Sinus Tachycardia ANSWER Regular
HR: >100 bpm
P waves present and before QRS
PR Interval: 0.12-0.20 seconds
QRS Interval: <0.10 seconds
QT interval: 0.36-0.44 seconds
Treatment:
