EKG Rhythm Strips 47
Identify the following rhythms
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Answers
1.
The rhythm is irregular with some ventricular ectopy. The heart rate is 90/min. The P waves are positive and are paired with a QRS complex. There are PVCs every other beat. Notice the 3rd and 4th PVCs have an upright P wave. Theses P waves suggest perhaps that the PVCs may be some kind of aberrant premature atrial contraction. PR: .12 sec. QRS: .08 sec, QT: .36 sec.
2.
The rhythm is irregular with a rate of 84/min. There are upright P waves that precede the QRS complexes. The PR interval is prolonged. A unifocal PVC is seen every fourth beat, quadrigeminy. A compensatory pause follows each PVC. PR: .24 sec, QRS: .12 sec, QT: .38 sec.
3.
The rhythm is irregular due to the PVCs. The ventricular rate is 102/min. The P waves are uniform and upright. There are unifocal PVCs in a hexageminal pattern every 6th beat. A pause follows each PVC. PR: .12 sec, QRS: .08 sec, QT: .32 sec.
4.
The rhythm is irregular with frequent PVCs. The rate is 108/min. P waves are present and have a corresponding QRS complex. Unifocal PVCs occur every fifth beat. A compensatory pause follows each PVC. PR: .12 sec, QRS: .08 sec, QT: .32 sec.
5.
The heart rhythm is irregular with a rate of 102/min. The P waves precede the QRS complexes and are upright. Unifocal premature ventricular beats are seen every third beat. PR: .16 sec, QRS: .08 sec, QT: .40 sec.
3/2/16
1.
2.
3.
4.
5.
Answers
1.
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| Ventricular bigeminy |
The rhythm is irregular with some ventricular ectopy. The heart rate is 90/min. The P waves are positive and are paired with a QRS complex. There are PVCs every other beat. Notice the 3rd and 4th PVCs have an upright P wave. Theses P waves suggest perhaps that the PVCs may be some kind of aberrant premature atrial contraction. PR: .12 sec. QRS: .08 sec, QT: .36 sec.
2.
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| 1st degree block with unifocal PVCs |
The rhythm is irregular with a rate of 84/min. There are upright P waves that precede the QRS complexes. The PR interval is prolonged. A unifocal PVC is seen every fourth beat, quadrigeminy. A compensatory pause follows each PVC. PR: .24 sec, QRS: .12 sec, QT: .38 sec.
3.
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| Sinus tachycardia with unifocal PVCs |
The rhythm is irregular due to the PVCs. The ventricular rate is 102/min. The P waves are uniform and upright. There are unifocal PVCs in a hexageminal pattern every 6th beat. A pause follows each PVC. PR: .12 sec, QRS: .08 sec, QT: .32 sec.
4.
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| Sinus tachycardia with unifocal PVCs |
The rhythm is irregular with frequent PVCs. The rate is 108/min. P waves are present and have a corresponding QRS complex. Unifocal PVCs occur every fifth beat. A compensatory pause follows each PVC. PR: .12 sec, QRS: .08 sec, QT: .32 sec.
5.
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| Ventricular trigeminy |
The heart rhythm is irregular with a rate of 102/min. The P waves precede the QRS complexes and are upright. Unifocal premature ventricular beats are seen every third beat. PR: .16 sec, QRS: .08 sec, QT: .40 sec.
3/2/16
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