EKG Rhythm Strips 60
Identify the following rhythms.
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Answers
1.
The rhythm is irregular with many PVCs. The rate is 100/min. The top lead is lead II and the bottom lead is V1. No P waves are identified. There is fibrillatory activity between the QRS complexes. Three couplets are seen. PR: ---, QRS: .12 sec, QT: .32 sec.
2.
The rhythm is regular with a rate of 75/min. The P waves are absent. There appears to be some fibrillatory activity between the QRS complexes. A ventricular pacing stimulus precedes each QRS complex. PR: ---, QRs: .16 sec, QT: .44 sec.
3.
The rhythm is irregular due to the atrial ectopy. The rate is 60/min. P waves are seen and precede each QRS complex. There are two PACs present, the 5th and 8th complexes. The P waves of the PACs has a different shape than the sinus P waves. PR: .12 sec, QRS: .08 sec, QT: .44 sec.
4.
The rhythm is irregular due to the pause. The rate is 50/min. The P waves are upright and have a corresponding QRS complex. No ectopic beats are seen. The ST segment is up slopping in the top lead (II) and 0.5mm ST depression with T wave inversion is seen in the bottom lead (V1). A 1.44 sec pause is seen after the 6th complex. PR; .20 sec, QRS: .08 sec, QT: .52 sec.
5.
The rhythm is slightly irregular with a rate of 52/min. The P waves are uniform and upright. No ectopic beats are noted. the T waves are inverted in lead II. PR: .16 sec, QRS: .12 sec, QT: .44 sec.
Reviewed 3/2/16
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5.
Answers
1.
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| Atrial fibrillation with couplets of PVCs |
The rhythm is irregular with many PVCs. The rate is 100/min. The top lead is lead II and the bottom lead is V1. No P waves are identified. There is fibrillatory activity between the QRS complexes. Three couplets are seen. PR: ---, QRS: .12 sec, QT: .32 sec.
2.
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| Ventricular paced |
The rhythm is regular with a rate of 75/min. The P waves are absent. There appears to be some fibrillatory activity between the QRS complexes. A ventricular pacing stimulus precedes each QRS complex. PR: ---, QRs: .16 sec, QT: .44 sec.
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| NSR with PACs |
The rhythm is irregular due to the atrial ectopy. The rate is 60/min. P waves are seen and precede each QRS complex. There are two PACs present, the 5th and 8th complexes. The P waves of the PACs has a different shape than the sinus P waves. PR: .12 sec, QRS: .08 sec, QT: .44 sec.
4.
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| Sinus bradycardia with a sinus pause |
The rhythm is irregular due to the pause. The rate is 50/min. The P waves are upright and have a corresponding QRS complex. No ectopic beats are seen. The ST segment is up slopping in the top lead (II) and 0.5mm ST depression with T wave inversion is seen in the bottom lead (V1). A 1.44 sec pause is seen after the 6th complex. PR; .20 sec, QRS: .08 sec, QT: .52 sec.
5.
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| Sinus bradycardia with ST depression and inverted T waves |
The rhythm is slightly irregular with a rate of 52/min. The P waves are uniform and upright. No ectopic beats are noted. the T waves are inverted in lead II. PR: .16 sec, QRS: .12 sec, QT: .44 sec.
Reviewed 3/2/16
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