EKG Rhythm Strips 44
Identify the following rhythms
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Answers
1.
The rhythm is regular with a rate of 71/min. There are retrograde P waves that follow the QRS complexes. No ectopic beats are seen. PR: ---, QRS: .08 sec, QT: .44 sec.
2.
The rhythm is regular with a heart rate of 75/min. The P waves are uniform and precede the QRS complex. No ectopic beats are observed. PR: .16 sec, QRS: .12 sec, QT: .40 sec.
3.
The rhythm is irregular with some premature atrial contractions. The ventricular rate is 60/min. The P waves precede the QRS complex. The P waves of the PACs, the 2nd and 9th complexes, differs in shape than the P waves of sinus origin. PR: .12 sec, QRS: :08 sec, QT: .40 sec.
4.
The rhythm is irregular due to the PVCs. The heart rate is 114/min. The P waves are positive, uniform, and have a corresponding QRS complex. There are unifocal PVCs in a quadrigeminal pattern. PR: .12 sec, QRS: .08 sec, QT: .36 sec.
5.
The rhythm is irregular with a ventricular rate of 114/min. There are flutter waves in a ratio of 3:1 and 2:1 between the QRS complexes. This accounts for the variability in the rhythm. No ectopic beats are seen. PR: ---, QRS: .08 sec, QT: .24 sec.
Reviewed 3/2/16
1.
3.
4.
5.
Answers
1.
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| Accelerated junctional rhythm |
The rhythm is regular with a rate of 71/min. There are retrograde P waves that follow the QRS complexes. No ectopic beats are seen. PR: ---, QRS: .08 sec, QT: .44 sec.
2.
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| Normal sinus rhythm |
The rhythm is regular with a heart rate of 75/min. The P waves are uniform and precede the QRS complex. No ectopic beats are observed. PR: .16 sec, QRS: .12 sec, QT: .40 sec.
3.
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| Normal sinus rhythm with PACs |
The rhythm is irregular with some premature atrial contractions. The ventricular rate is 60/min. The P waves precede the QRS complex. The P waves of the PACs, the 2nd and 9th complexes, differs in shape than the P waves of sinus origin. PR: .12 sec, QRS: :08 sec, QT: .40 sec.
4.
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| Sinus tachycardia with ventricular quadrigeminy |
The rhythm is irregular due to the PVCs. The heart rate is 114/min. The P waves are positive, uniform, and have a corresponding QRS complex. There are unifocal PVCs in a quadrigeminal pattern. PR: .12 sec, QRS: .08 sec, QT: .36 sec.
5.
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| Atrial flutter with rapid ventricular response |
The rhythm is irregular with a ventricular rate of 114/min. There are flutter waves in a ratio of 3:1 and 2:1 between the QRS complexes. This accounts for the variability in the rhythm. No ectopic beats are seen. PR: ---, QRS: .08 sec, QT: .24 sec.
Reviewed 3/2/16
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