Practice ECG Rhythm Strips 100
Identify the following rhythms.
2.
3.
4.
5.
The rhythm is irregular with some PVCs. The rate is 100/min. The P waves are uniform and upright. Unifocal PVCs occur every 6th beat. PR: .12 sec, QRS: .08 sec, QT: .36 sec.
2.
The rhythm is regular with a rate of 65/min. The P waves are absent. No ectopic beats are present. There is 2mm ST depression with T inversion of the T wave. PR; ---, QRS: .08 sec, QT: .42 sec.
3.
The rhythm is irregular due to the PVC. The rate is 80/min. The P waves are upright and precede the QRS complexes. The PR interval is prolonged. A single PVC is present. PR: .28 sec, QRS: .12 sec, QT: .44 sec.
4.
The rhythm is regular with a rate of 150/min. No ectopic beats are noted. Some small P waves are seen in the V1 lead. The PR interval is shortened. The QRS complexes in lead II have a delta configuration. PR: .04 sec, QRS: .08 sec, QT: . 28 sec.
5.
The rhythm is regular with a rate of 100/min. Upright P waves precede each QRS complex. No ectopic beats are noted. PR: .12 sec, QRS: .08 sec, QT: .36 sec.
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Answers
1.
|
| Normal sinus rhythm with unifocal PVCs (hexageminy) |
The rhythm is irregular with some PVCs. The rate is 100/min. The P waves are uniform and upright. Unifocal PVCs occur every 6th beat. PR: .12 sec, QRS: .08 sec, QT: .36 sec.
2.
|
| Junctional rhythm |
The rhythm is regular with a rate of 65/min. The P waves are absent. No ectopic beats are present. There is 2mm ST depression with T inversion of the T wave. PR; ---, QRS: .08 sec, QT: .42 sec.
3.
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| Normal sinus rhythm with 1st degree block and a PVC |
The rhythm is irregular due to the PVC. The rate is 80/min. The P waves are upright and precede the QRS complexes. The PR interval is prolonged. A single PVC is present. PR: .28 sec, QRS: .12 sec, QT: .44 sec.
4.
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| Sinus tachycardia or WPW |
The rhythm is regular with a rate of 150/min. No ectopic beats are noted. Some small P waves are seen in the V1 lead. The PR interval is shortened. The QRS complexes in lead II have a delta configuration. PR: .04 sec, QRS: .08 sec, QT: . 28 sec.
5.
|
| Sinus tachycardia |
The rhythm is regular with a rate of 100/min. Upright P waves precede each QRS complex. No ectopic beats are noted. PR: .12 sec, QRS: .08 sec, QT: .36 sec.
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