EKG Rhythm Quiz Questions

Reviewed by Stephanie Baumhover
Stephanie Baumhover, PharmD |
Medical Education Director
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Stephanie Baumhover is a Medical Education Director, with a comprehensive background in Critical Care, Oncology, Pediatrics, and Managed Care. She holds a PharmD from Creighton University and completed her PGY1 Residency in Critical Care and Transplant at the University of Virginia. Currently, she excels in her role at Medscape.
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1. Your patient remains in ventricular tachycardia – and loses their pulse.  What needs to be done?

Explanation

If there’s no pulse, you can’t cardiovert – you need to defib!

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About This Quiz
EKG Rhythm Quiz Questions - Quiz

. Are you ready to put your knowledge of EKG rhythms to the test? Take our engaging and informative quiz to see how much you really know! An... see moreelectrocardiogram (EKG) is a quick and painless test that records the electrical activity of the heart. Our quiz features a wide range of questions, including image-based questions where you’ll be asked to identify the rhythm. If you find this quiz helpful and learn something new, don’t hesitate to share it with your friends and peers. Let’s get started! see less

2. What is this rhythm?

Explanation

It's regular; there are P waves, the QRS is normal, and the PR interval is normal – it's just a slow rate.

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3. The 12-lead EKG reveals ST elevation in leads II, III and aVF.  Where is the MI?

Explanation

Inferior MI: ST elevation in leads II, III, and aVF.

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4. What is this rhythm?

Explanation

It's regular; there are P waves, the QRS is normal, the PR interval is normal – sinus rhythm!

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5. What is this rhythm?

Explanation

Just a bunch of wavy lines, about "1 box" high on average! If this continues, it will become an asystole (flat line).

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6. What is this rhythm?

Explanation

It's regular, no P waves, just these "sawtooth" flutter waves. Atrial FIBRILLATION is irregular, and the "sawtooth" waves are smaller.

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7. What is this rhythm?

Explanation

This is V-tach. Nothing but huge, scary-looking "tombstone-shaped" waves – about 3 "boxes" high! If this continues, it will become V-Fib.

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8. What is this rhythm?

Explanation

It's regular; there are P waves, the QRS is normal, the PR interval is normal, and it's just fast!

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9. What is the beat circled?

Explanation

It is a PVC. This is a "big ugly beat" – it's wider than the others and just seems to have been thrown in there! Notice how different it looks, and it causes a slight pause after it - that's the time the heart took to recover from it. Ventricular tachycardia is more than one of these in a row.

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10. When the patient with ventricular tachycardia becomes symptomatic but still has a pulse, which treatment is appropriate?    

Explanation

When they become symptomatic – and still have a pulse – you try cardioversion.

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11. First-line treatment of ventricular fibrillation is:

Explanation

You "defib" V-Fib!

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12. The 12-lead EKG reveals ST elevation in leads V1-V4.  Where is the MI?

Explanation

Anterior MI: ST elevation in leads V1-V4.

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13. What is this rhythm?

Explanation

It's irregular; there aren't P waves, just those messy wavy lines! Atrial flutter is REGULAR - and the "messy wavy lines" are taller and look more like "sawtooth" waves.

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14. The most common cause of premature ventricular tachycardia (PVCs) is

Explanation

Low potassium is the #1 cause!

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15. Treatment for atrial fibrillation/atrial flutter may include which of the following?  Select all that apply. 

Explanation

The main treatments for atrial fib/flutter include three meds: anticoagulants, rate controllers, and rhythm controllers. If the patient doesn't respond – or if they become more symptomatic, cardioversion is used.

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16. Treatment for a conscious, asymptomatic patient with ventricular tachycardia could include which of the following?  (Select all that apply). 

Explanation

You need rate controllers and rhythm controllers. They are asymptomatic, so no cardioversion is needed yet.

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Stephanie Baumhover |PharmD |
Medical Education Director
Stephanie Baumhover is a Medical Education Director, with a comprehensive background in Critical Care, Oncology, Pediatrics, and Managed Care. She holds a PharmD from Creighton University and completed her PGY1 Residency in Critical Care and Transplant at the University of Virginia. Currently, she excels in her role at Medscape.

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Your patient remains in ventricular tachycardia – and loses...
What is this rhythm?
The 12-lead EKG reveals ST elevation in leads II, III and aVF....
What is this rhythm?
What is this rhythm?
What is this rhythm?
What is this rhythm?
What is this rhythm?
What is the beat circled?
When the patient with ventricular tachycardia becomes symptomatic but...
First-line treatment of ventricular fibrillation is:
The 12-lead EKG reveals ST elevation in leads V1-V4.  Where is...
What is this rhythm?
The most common cause of premature ventricular tachycardia (PVCs) is
Treatment for atrial fibrillation/atrial flutter may include which of...
Treatment for a conscious, asymptomatic patient with ventricular...
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