EKG Rhythm Strips 45
Identify the following rhythms strips
1.
2.
3.
4.
5.
Answers
1.
The heart rhythm is irregular with frequent PVCs. The heart rate is 90/min. The P waves are upright and uniform. The PR interval is prolonged. Both single and a couplet of unifocal PVCs are seen. PR: .24 sec, QRS: .16 sec, QT: .44 sec.
2.
The rhythm is regular with a rate of 58/min. P waves are upright and have a corresponding QRS complex. No ectopic beats are noted. The ST segment is down slopping with an inverted T wave. PR: .16 sec, QRS; .08 sec, QT: .36 sec.
3.
The heart rhythm is regular with a rate of 78/min. P waves are absent and there appears to be some fibrillation between the QRS complexes. Two unifocal PVCs are seen. A ventricular pacing stimulus is seen before each QRS complex. PR: ---, QRS: .16 sec, QT: .48 sec.
4.
The rhythm is regular with a ventricular rate of 214/min. Small P waves precede each QRS complex. No ectopic beats are noted. PR: .10, QRS: .08 sec, QT: .20 sec.
5.
The rhythm is very irregular and slow. The ventricular rate is 48/min. No P waves are seen but there is some fibrillation between the QRS complex. No ectopic beats can clearly be identified. PR: ---, QRS: .08 sec, QT: .40 sec.
Reviewed 3/2/16
1.
Answers
1.
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| NSR with 1st degree AV block and unifocal PVCs |
The heart rhythm is irregular with frequent PVCs. The heart rate is 90/min. The P waves are upright and uniform. The PR interval is prolonged. Both single and a couplet of unifocal PVCs are seen. PR: .24 sec, QRS: .16 sec, QT: .44 sec.
2.
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| NSR with ST depression |
The rhythm is regular with a rate of 58/min. P waves are upright and have a corresponding QRS complex. No ectopic beats are noted. The ST segment is down slopping with an inverted T wave. PR: .16 sec, QRS; .08 sec, QT: .36 sec.
3.
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| Ventricular paced with unifocal PVCs |
The heart rhythm is regular with a rate of 78/min. P waves are absent and there appears to be some fibrillation between the QRS complexes. Two unifocal PVCs are seen. A ventricular pacing stimulus is seen before each QRS complex. PR: ---, QRS: .16 sec, QT: .48 sec.
4.
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| Sinus tachycardia |
The rhythm is regular with a ventricular rate of 214/min. Small P waves precede each QRS complex. No ectopic beats are noted. PR: .10, QRS: .08 sec, QT: .20 sec.
5.
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| Atrial fibrillation with slow ventricular response |
The rhythm is very irregular and slow. The ventricular rate is 48/min. No P waves are seen but there is some fibrillation between the QRS complex. No ectopic beats can clearly be identified. PR: ---, QRS: .08 sec, QT: .40 sec.
Reviewed 3/2/16
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