EKG Rhythm Strips 40
Identify the following rhythms.
1.
2.
4.
5.
Answers
1.
The rhythm is regular with a rate of 39/min. No P waves are seen. There are no ectopic beats. PR: ---, QRS: .08 sec, QT: .56 sec.
2.
The rhythm is irregular with frequent ectopic beats. The P waves are upright and associated with a QRS complex. There are some ectopic beats, the 4th, 7th, and 10th beats. The 4th and 7th ectopic beats have a wider QRS complex and may represent some aberrantly conducted PACs. A small upright P waves precedes these two complexes. The last ectopic beat has a P wave that is hidden in the T wave of the precedeing complex and it has a more narrow QRS complex. PR: .16 sec, QRS: .08 sec, QT: .44 sec.
3.
The rhythm is irregular with a heart rate of 70/min. The P waves are positive and have a corresponding QRS complex. Two multifocal PVCs are seen. PR: .22 sec, QRS: .08 sec, QT: .36 sec.
4.
The rhythm is irregular with a ventricular rate of 100/min. Upright sinus P waves are seen. A QRS complex follows each P wave. Unifocal PVCs are seen every third beat. PR: .20 sec, QRS: .08 sec, QT: .40 sec
5.
The rhythm is irregular. The heart rate is 70/min. The P waves are upright and are associated with a QRS complex. Unifocal PVCs occur in a bigeminal pattern. A compensatory pause follows each PVC. PR: .12 sec, QRS: .10 sec, QT: .44 sec.
Reviewed on 3/2/16
1.
3.
Answers
1.
|
| Junctional rhythm |
The rhythm is regular with a rate of 39/min. No P waves are seen. There are no ectopic beats. PR: ---, QRS: .08 sec, QT: .56 sec.
2.
|
| Normal sinus rhythm with PACs |
The rhythm is irregular with frequent ectopic beats. The P waves are upright and associated with a QRS complex. There are some ectopic beats, the 4th, 7th, and 10th beats. The 4th and 7th ectopic beats have a wider QRS complex and may represent some aberrantly conducted PACs. A small upright P waves precedes these two complexes. The last ectopic beat has a P wave that is hidden in the T wave of the precedeing complex and it has a more narrow QRS complex. PR: .16 sec, QRS: .08 sec, QT: .44 sec.
3.
|
| NSR with 1st degree block and multifocal PVCs |
The rhythm is irregular with a heart rate of 70/min. The P waves are positive and have a corresponding QRS complex. Two multifocal PVCs are seen. PR: .22 sec, QRS: .08 sec, QT: .36 sec.
4.
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| NSR with trigeminy |
The rhythm is irregular with a ventricular rate of 100/min. Upright sinus P waves are seen. A QRS complex follows each P wave. Unifocal PVCs are seen every third beat. PR: .20 sec, QRS: .08 sec, QT: .40 sec
5.
|
| NSR with bigeminy |
The rhythm is irregular. The heart rate is 70/min. The P waves are upright and are associated with a QRS complex. Unifocal PVCs occur in a bigeminal pattern. A compensatory pause follows each PVC. PR: .12 sec, QRS: .10 sec, QT: .44 sec.
Reviewed on 3/2/16
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