Practice EKG Rhythm Strips 109
Identify the following rhythms.
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Answers
1.
The rhythm is regular due to the frequent PVCs. The rate is 80/min. P waves are present and correspond to a QRS complex. There are unifocal PVCs every other beat. PR: .20 sec, QRS: .08 sec, QT: .24 sec.
2.
The rhythm is regular with a rate of 42/min. No P waves or ectopic beats are seen. The QRS is narrow. PR: ---, QRs; .08, QT: .44 sec.
3.
The rhythm is regular with a rate of 150/min. The P waves are upright and associated with a QRS complex. PR: .12 sec, QRS: .08 sec, QT: .28 sec.
4.
The rhythm is irregular. The rate is 50/min. Flutter waves are seen between the QRS complexes. PR: ---, QRS: .08 sec, QT: .40 sec.
5.
The rhythm is irregular due to the PVCs. There are atrial pacer spikes present. Two multifocal PVCs are present. PR: .24 sec, QRS: .16 sec, QT: .44 sec.
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2.
3.
4
5.
Answers
1.
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| NSR with bigeminal PVCs |
The rhythm is regular due to the frequent PVCs. The rate is 80/min. P waves are present and correspond to a QRS complex. There are unifocal PVCs every other beat. PR: .20 sec, QRS: .08 sec, QT: .24 sec.
2.
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| Junctional rhythm |
The rhythm is regular with a rate of 42/min. No P waves or ectopic beats are seen. The QRS is narrow. PR: ---, QRs; .08, QT: .44 sec.
3.
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| Sinus tachycardia |
The rhythm is regular with a rate of 150/min. The P waves are upright and associated with a QRS complex. PR: .12 sec, QRS: .08 sec, QT: .28 sec.
4.
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| Atrial flutter with slow ventricular response |
The rhythm is irregular. The rate is 50/min. Flutter waves are seen between the QRS complexes. PR: ---, QRS: .08 sec, QT: .40 sec.
5.
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| Atrial paced with multifocal PVCs |
The rhythm is irregular due to the PVCs. There are atrial pacer spikes present. Two multifocal PVCs are present. PR: .24 sec, QRS: .16 sec, QT: .44 sec.
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