EKG Rhythm Strip Quiz 38

Identify the following rhythms.

1.
a. Sinus tachycardia
b. Atrial flutter with rapid ventricular response
c. Junctional tachycardia
d. Supraventricular tachycardia

2.
a. Sinus tachycardia
b. Atrial flutter with rapid ventricular response
c. Junctional tachycardia
d. Supraventricular tachycardia

3.







a.  Sinus rhythm with an occasional PAC
b.  Normal sinus rhythm with a couplet of PVCs
c.  Sinus rhythm with frequent multifocal PACs
d.  Sinus rhythm with premature junctional contractions

4.
a. Sinus bradycardia with atrial ectopy
b.  Normal sinus rhythm with an occasional PVCs
c.  Sinus tachycardia with frequent multifocal PACs
d.  Sinus rhythm with premature junctional contractions

5.






a. Normal sinus rhythm
b.  Sinus bradycardia
c.  Sinus tachycardia
d.  1st degree AV block

6.
a.  Atrial paced
b.  Ventricular paced
c.  AV pacing
d.  Biventricular pacing 

7.
a. Supraventricular tachycardia with PACs
b.  Multifocal atrial tachycardia
c.  Atrial fibrillation with uniform PVCs
d. Paroxysmal sinus tachycardia

8.
a. Atrial flutter with variable rate
b.  2nd degree heart block type II
c.  Atrial fibrillation with slow ventricular response
d. Sinus tachycardia with sinus pauses

9.
a. Normal sinus rhythm
b.  Sinus bradycardia
c.  Atrial fibrillation
d.  Junctional rhythm

10.






a. Normal sinus rhythm
b.  Sinus bradycardia
c.  Sinus tachycardia
d.  1st degree AV block

Answers
1.
d. Supraventricular tachycardia. No P waves are present. The rate is 150 bpm.

2.
c. Junctional tachycardia. There are inverted P waves before each QRS complex. The rate is 115. Based upon the character of the P waves and the rate this makes this rhythm a junctional tachycardia.

3.
a. Sinus rhythm with an occasional PAC. The 1st and 12th complexes are may be some aberrantly conducted PACs . They are wide like PVCs but there is a P wave before them.  The 4th complex is a PAC.

4.
b. Normal sinus rhythm with an occasional PVC

5.
b. Sinus bradycardia

6.
c. AV pacing. Dual pacer spikes are present

7.




c. Atrial fibrillation with uniform PVCs. The underlying rhythm is irregular with an absence of P waves and there are unifocal PVCs present.

8.

a. Atrial flutter with variable rate. The flutter waves are present in a 5:1 to a 3:1 ratio.

9.

a. Normal sinus rhythm.   There is low voltage in this lead and this can make interpreting the rhythm difficult.

10.




d. 1st degree AV block. The PR interval is 0.28 seconds. The QRS complex is also wide at .12 seconds.


Reviewed 6/4/13

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