EKG Rhythm Strips 49
Identify the following rhythms.
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Answers
1.
The rhythm is slightly irregular with a rate of 102/min. The P waves are inverted and precede the QRS complex. No ectopic beats are noted. PR: .16 sec, QRS: .08 sec, QT: .40 sec.
2.
The rhythm is irregular. The ventricular rate is 180/min. No P waves are clearly seen. There is some fibrillation noted between some of the complexes. No ectopic beats are noted. PR: ---, QRS: .08 sec, QT: .26 sec.
3.
The rhythm is regular. The rate is 72/min. No P waves are seen. No ectopic beats are noted. The QRS complex is wide. The T waves are tall. A wide slow rhythm with tall T waves suggests hyperkalemia. PR: ---, QRS: .20 sec, QT: .72 sec.
4.
The rhythm is irregular due to the frequent ectopy. P waves are present and upright. The PR interval is prolonged. Unifocal PVCs occur in singles and in a couplet. PR: .24 sec, QRS: 16 sec, QT: .40 sec.
5.
The rhythm is irregular. The rate is 70/min. Positive P waves are seen and they are associated with a QRS complex. The PR interval is prolonged. No ectopic beats are noted. PR: .22 sec, QRS: .12 sec, QT: .36 sec.
Reviewed 3/2/16
1.
2.
3.
4.
5.
Answers
1.
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| Junctional tachycardia |
The rhythm is slightly irregular with a rate of 102/min. The P waves are inverted and precede the QRS complex. No ectopic beats are noted. PR: .16 sec, QRS: .08 sec, QT: .40 sec.
2.
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| Atrial fibrillation with rapid ventricular response |
The rhythm is irregular. The ventricular rate is 180/min. No P waves are clearly seen. There is some fibrillation noted between some of the complexes. No ectopic beats are noted. PR: ---, QRS: .08 sec, QT: .26 sec.
3.
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| Accelerated idioventricular rhythm |
The rhythm is regular. The rate is 72/min. No P waves are seen. No ectopic beats are noted. The QRS complex is wide. The T waves are tall. A wide slow rhythm with tall T waves suggests hyperkalemia. PR: ---, QRS: .20 sec, QT: .72 sec.
4.
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| 1st degree AV block with unifocal PVCs and a couplet of PVCs |
The rhythm is irregular due to the frequent ectopy. P waves are present and upright. The PR interval is prolonged. Unifocal PVCs occur in singles and in a couplet. PR: .24 sec, QRS: 16 sec, QT: .40 sec.
5.
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| Sinus arrhythmia with 1st degree block |
The rhythm is irregular. The rate is 70/min. Positive P waves are seen and they are associated with a QRS complex. The PR interval is prolonged. No ectopic beats are noted. PR: .22 sec, QRS: .12 sec, QT: .36 sec.
Reviewed 3/2/16
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