EKG Rhythm Strips 42
Identify the following rhythms
1.
2.
3.
4.
5.
Answers
1.
The rhythm is irregular with a rate of 40/min. There are P waves that are associated with QRS complexes as well as some that are not. Those that have a corresponding QRS complex have a fixed PR interval. No ectopic beats are noted. PR: .16 sec, QRS: .16 sec, QT: .56 sec.
2.
The rhythm is irregular with a ventricular rate of 110/min. No sinus P waves are identified but some fibrillation is seen between the QRS complexes. Three PVCs are seen in a bigeminal pattern. PR: ---, QRS: .08 sec, QT: .32 sec.
3.
The rhythm is regular. The heart rate is 75/min. Flutter waves are seen between the QRS complexes in a 3:1 configuration. No ectopic beats are noted. PR: ---, QRS: .08 sec, QT: .26 sec.
4.
The rhythm is irregular due to the PVCs. The heart rate is 110/min. Upright P waves are seen between the QRS complexes. The P waves have a corresponding QRS complex. Interpolated unifocal PVCs are present. PR: .12 sec, QRS: .08 sec, QT: .34 sec.
5.
The rhythm is irregular with some paced beats and ventricular ectopy. The rate is 70/min. A sinus P wave is seen with the first and sixth complex. Demand atrial paced beats are seen with 3rd, 4th, 7th, and 8th complexes. Some unifocal PVCs are present. The rhythm is 100% ventricular paced. PR: .20 sec, QRS: .16 sec, QT: .44 sec.
Reviewed on 3/2/16
1.
Answers
1.
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| 2nd degree AV block type II |
The rhythm is irregular with a rate of 40/min. There are P waves that are associated with QRS complexes as well as some that are not. Those that have a corresponding QRS complex have a fixed PR interval. No ectopic beats are noted. PR: .16 sec, QRS: .16 sec, QT: .56 sec.
2.
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| Atrial fibrillation with some bigeminal PVCs |
The rhythm is irregular with a ventricular rate of 110/min. No sinus P waves are identified but some fibrillation is seen between the QRS complexes. Three PVCs are seen in a bigeminal pattern. PR: ---, QRS: .08 sec, QT: .32 sec.
3.
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| Atrial flutter |
The rhythm is regular. The heart rate is 75/min. Flutter waves are seen between the QRS complexes in a 3:1 configuration. No ectopic beats are noted. PR: ---, QRS: .08 sec, QT: .26 sec.
4.
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| Sinus tachycardia with unifocal PVCs |
The rhythm is irregular due to the PVCs. The heart rate is 110/min. Upright P waves are seen between the QRS complexes. The P waves have a corresponding QRS complex. Interpolated unifocal PVCs are present. PR: .12 sec, QRS: .08 sec, QT: .34 sec.
5.
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| Dual paced with a demand atrial paced rhythm with PVCs |
The rhythm is irregular with some paced beats and ventricular ectopy. The rate is 70/min. A sinus P wave is seen with the first and sixth complex. Demand atrial paced beats are seen with 3rd, 4th, 7th, and 8th complexes. Some unifocal PVCs are present. The rhythm is 100% ventricular paced. PR: .20 sec, QRS: .16 sec, QT: .44 sec.
Reviewed on 3/2/16
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