EKG Rhythm Strip Quiz 31

Identify the following rhythms.

1.


a. Sinus arrhythmia
b. Sinus bradycardia
c. 2nd degree heart block type I
d. Atrial fibrillation with slow ventricular response

2.

a.  Atrial flutter with variable rate
b.  Atrial fibrillation with rapid ventricular response
c.  Sinus rhythm with PACs
d.  Wandering atrial pacemaker

3.

a.  Ventricular tachycardia
b. Accelerated idioventricular rhythm
c. Sinus tachycardia
d. Supraventricular tachycardia

4.
a.  Slow ventricular tachycardia
b.  Accelerated idioventricular rhythm
c.  Complete heart block
d.  Junctional rhythm

5.

a.  Junctional rhythm
b.  Atrial fibrillation with controlled rate
c.  Sinus bradycardia
d.  Sinus rhythm with sinus arrest

6.

a.  Sinus arrhythmia
b.  Normal sinus rhythm with unifocal PVCs
c.  Sinus tachycardia with frequent multifocal PVCs
d.  Sinus rhythm with fusion complexes

7.

a.  Sinus bradycardia
b. Normal sinus rhythm
c. Sinus arrhythmia
d. Sinus tachycardia

8.
a.  Sinus bradycardia
b.  Normal Sinus rhythm
c.  Sinus arrhythmia
d.  Sinus tachycardia

9.
a.  Junctional rhythm
b.  Atrial fibrillation with slow ventricular response
c.  Sinus bradycardia
d.  Sinus rhythm with sinus arrest

10.






a.  Ventricular paced rhythm with frequent multifocal PVCs
b.  Atrial fibrillation with frequent multifocal PVCs
c.  Sinus rhythm with frequent unifocal PACs
d.  Sinus arrhythmia with frequent PVCs

Answers
1.

c. 2nd degree heart block type I.  This is an atypical pattern for a type I block.  It has a short cycle (2 beats followed by a dropped beat) and long cycle (3 beats followed by a dropped beat).


2.
a. Atrial flutter with variable rate.

3.

d. Supraventricular tachycardia

4.
b. Accelerated idioventricular rhythm. The rate is greater than 40 so this makes it an accelerated idioventricular rhythm.

5.
a. Junctional rhythm. The rate is 60. If greater than 60 then it would be an accelerated junctional rhythm.

6.
b. Normal sinus rhythm with unifocal PVCs

7.
b. Normal sinus rhythm

8.
c. Sinus arrhythmia. The R-R interval is irregular and there is no ectopy.

9.
c. Sinus bradycardia

10.





a. Ventricular paced rhythm with frequent multifocal PVCs. The ventricular pacer spikes precede the QRS complex and the paced beats. The magnitude and shape of the PVCs vary so this suggests a multifocal origin.


Reviewed 6/4/13, 3/2/16

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