Practice EKG Rhythm Strips 103
Identify the following rhythms.
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Answers
1.
The rhythm is irregular with a rate of 50/min. There are upright P waves present. There is a dropped P wave after the 2nd complex. The PR interval increases over successive beats. No ectopic beats are noted. PR: ---, QRS: .08 sec, QT: .48 sec.
2.
The rhythm is regular with an atrial rate of 70/min and a ventricular rate of 30/min. The P waves are uniform and upright but are not associated with the QRS complexes. No ectopic beats are present. PR: ---, QRS: .16 sec, QT: .48 sec.
3.
The rhythm is irregular with a rate of 60/min. There are P waves that have a corresponding QRS complex but there are also some nonconducted P waves present. The PR interval is consistent on the conducted beats. PR: .24 sec, QRS: .14 sec, QT: ---
4.
You can see that the patient's underlying rhythm (right side of the strip) has a wide QRS complex. So when this patient had some runs of SVT it would look like ventricular tachycardia on the monitor.
5.
The rhythm is irregular with a rate of 60/min. The P waves are upright and are associated with a QRS complex. There is a PAC that follows the 3rd complex. The shape of the P waves differs from the sinus P waves. PR: .16 sec, QRS: .08 sec, QT: .36 sec.
1.
2.
3.
4.
5.
Answers
1.
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| 2nd degree AV block type I |
The rhythm is irregular with a rate of 50/min. There are upright P waves present. There is a dropped P wave after the 2nd complex. The PR interval increases over successive beats. No ectopic beats are noted. PR: ---, QRS: .08 sec, QT: .48 sec.
2.
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| Complete heart block |
The rhythm is regular with an atrial rate of 70/min and a ventricular rate of 30/min. The P waves are uniform and upright but are not associated with the QRS complexes. No ectopic beats are present. PR: ---, QRS: .16 sec, QT: .48 sec.
3.
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| 2nd degree AV block type II |
The rhythm is irregular with a rate of 60/min. There are P waves that have a corresponding QRS complex but there are also some nonconducted P waves present. The PR interval is consistent on the conducted beats. PR: .24 sec, QRS: .14 sec, QT: ---
4.
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| Wide complex tachycardia |
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| Normal sinus rhythm with a PAC |
The rhythm is irregular with a rate of 60/min. The P waves are upright and are associated with a QRS complex. There is a PAC that follows the 3rd complex. The shape of the P waves differs from the sinus P waves. PR: .16 sec, QRS: .08 sec, QT: .36 sec.
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