Practice EKG Rhythm Strips 192
Identify the following rhythms.
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2.
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4.
5.
Answers
1.
The pacemaker is still functioning in this asystolic rhythm.
2.
The heart rhythm is regular with a rate of 53/min. There are flutter waves seen between the QRS complexes. The atrial rate is around 200/min. No ectopic beats are noted. PR: ---, QRS: .08 sec, QT: .44 sec.
3.
The rhythm is regular with a rate of 35/min. No P waves are seen. The QRS is wide indicating a ventricular escape origin. PR: ---, QRS: .12 sec, QT: .36 sec.
4.
The rhythm is irregular with multiple PACs and a ventricular rate of 110/min. The P waves are associated with a QRS complex but are not uniform. There is also some variability in the PR interval. PR: . 12 sec, QRS: .08 sec, QT: .40 sec.
5.
The rhythm is irregular due to the pause. The rate is 50/min. The P waves are uniform with a fixed PR interval. A 1.4 sec pause follows the 3rd complex. A single PJC is seen, the 5th complex. PR: .22 sec, QRS: .08 sec, QT: .44 sec.
1.
2.
3.
4.
5.
Answers
1.
 |
| Asystole with pacer spikes |
The pacemaker is still functioning in this asystolic rhythm.
2.
 |
| Atrial flutter |
The heart rhythm is regular with a rate of 53/min. There are flutter waves seen between the QRS complexes. The atrial rate is around 200/min. No ectopic beats are noted. PR: ---, QRS: .08 sec, QT: .44 sec.
3.
 |
| Idioventricular rhythm |
The rhythm is regular with a rate of 35/min. No P waves are seen. The QRS is wide indicating a ventricular escape origin. PR: ---, QRS: .12 sec, QT: .36 sec.
4.
 |
| Multifocal atrial tachycardia |
5.
 |
| Bradycardia with 1st degree block and a PJC |
The rhythm is irregular due to the pause. The rate is 50/min. The P waves are uniform with a fixed PR interval. A 1.4 sec pause follows the 3rd complex. A single PJC is seen, the 5th complex. PR: .22 sec, QRS: .08 sec, QT: .44 sec.
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