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Identify the following rhythms. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. Do you want to try another Basic EKG Rhythm Test? Click here Answers 1.    1st degree AV block 2.    Junctional rhythm 3.    2nd degree AV block type II 4.    Asystole with pacer spikes 5.    Atrial fibrillation with slow ventricular response 6.    Atrial paced 7.    Dual paced 8.    Idioventricular rhythm 9.    Junctional tachycardia 10.  Sinus rhythm with a triplet of PVCs 11.  Torsad...

Identify the following rhythms. 1. 2. 3. 4. 5. Answers 1. Normal sinus rhythm changing to SVT The rhythm is irregular.   The rate is 110/min.   The P waves are upright and associated with a QRS complex.   But after the 4th complex the rhythm changes to a narrow complex tachycardia and the P waves are no longer seen.  The QRS complex remains narrow throughout the strip.  No ectopic beats are seen.  PR:  .16 sec,  QRS:  .08 sec,  QT:  .36 sec.  Interpretation:  Normal sinus rhythm changing to SVT 2. Normal sinus rhythm with PACs The rhythm is irregular.   The rate is 90/min.   There are upright P waves which are associated with a QRS complex.   The QRS complex is narrow.  There are PACs seen, the 2nd, 4th, 6th, and 9th complex.  The P waves of the PACs are merged with the T wave of the preceding complexes.  PR: ...

Identify the following rhythms. 1. 2. 3. 4. 5. Answers 1. Atrial flutter with variable ventricular response The rhythm is irregular.   The heart rate is 90/min.   There are flutter waves present.   The QRS complexes are narrow.   No ectopic beats are seen.   PR:  ---,  QRS:  .08 sec,  QT:  .32 sec.   Interpretation:   Atrial flutter with variable ventricular response 2. Dual paced The rhythm is regular with a rate of 75/min.  The P waves are preceded by a atrial pacer spike and the QRS complex is preceded by a biventricular pacer spike.   Ideally, one should only see one ventricular pacer spike.   Where there is only ventricular pacer spike seen then it is probably a sensitivity problem with the monitor as there are no demand settings for either chamber.   Interpretation:  Dual paced 3. Normal sinus rhythm The rhythm i...