EKG Quiz: Can You Read The Rhythm Strip?

1. A rhythm strip shows premature beats that appear wide and bizarre with no preceding P wave. What is this?

Premature atrial contraction

Premature junctional contraction

Premature ventricular contraction

Atrial escape beat

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3. A rhythm shows no discernible P waves, an irregular ventricular rate, and a variable ventricular response. What is this rhythm?

Atrial flutter

Atrial fibrillation

Sinus arrhythmia

Premature ventricular contractions

4. ST segment elevation in leads II, III, and aVF suggests myocardial infarction in which coronary artery?

Left anterior descending

Right coronary artery

Left circumflex

Left main coronary

5. A rhythm strip shows a rate of 40 bpm with regular intervals and normal PR interval. What is this rhythm?

Sinus bradycardia

Atrial fibrillation

Junctional rhythm

Ventricular escape rhythm

6. Which rhythm shows a regular atrial rate with intermittent dropped QRS complexes?

First-degree AV block

Second-degree AV block type I

Third-degree AV block

Sinus arrhythmia

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8. A patient has a PR interval of 0.24 seconds with all impulses conducted. What conduction abnormality is present?

First-degree AV block

Second-degree AV block

Third-degree AV block

Wolff-Parkinson-White syndrome

9. Which wave on an EKG represents atrial depolarization?

P wave

QRS complex

T wave

U wave

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11. What is the normal PR interval duration on an EKG?

0.08–0.12 seconds

0.12–0.20 seconds

0.20–0.28 seconds

0.28–0.36 seconds

12. Which rhythm is characterized by a regular ventricular rate with visible sawtooth baseline and absent P waves?

Atrial fibrillation

Atrial flutter

Sinus rhythm

Junctional rhythm

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14. An EKG shows a wide QRS complex (>0.12 sec) at a regular rate of 140 bpm. What is the most likely rhythm?

Supraventricular tachycardia

Ventricular tachycardia

Atrial flutter with aberrancy

Sinus tachycardia

15. A patient presents with a heart rate of 102 bpm, regular rhythm, and normal intervals. What is this rhythm?

Sinus bradycardia

Sinus tachycardia

Atrial fibrillation

Premature ventricular contraction

16. Which of the following is a characteristic of atrial flutter?

Irregular ventricular rate

Sawtooth P waves

No discernible P waves

Prolonged PR interval

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18. A rhythm strip shows irregular QRS complexes at rates of 120–160 bpm with no visible P waves. What is this rhythm?

Atrial flutter

Atrial fibrillation

Ventricular tachycardia

Sinus tachycardia

19. Which interval represents ventricular repolarization?

PR interval

QRS complex

ST segment

QT interval

20. A patient's heart rate is 58 bpm with regular rhythm and normal intervals. What is this rhythm?

Normal sinus rhythm

Sinus bradycardia

Sinus tachycardia

Atrial fibrillation

EKG Quiz: Can You Read the Rhythm Strip?

1. A rhythm strip shows premature beats that appear wide and bizarre with no preceding P wave. What is this?

2.

What first name or nickname would you like us to use?

2. The normal duration of the QT interval is typically ____ seconds.

3. A rhythm shows no discernible P waves, an irregular ventricular rate, and a variable ventricular response. What is this rhythm?

4. ST segment elevation in leads II, III, and aVF suggests myocardial infarction in which coronary artery?

5. A rhythm strip shows a rate of 40 bpm with regular intervals and normal PR interval. What is this rhythm?

6. Which rhythm shows a regular atrial rate with intermittent dropped QRS complexes?

7. The QRS complex represents ____.

8. A patient has a PR interval of 0.24 seconds with all impulses conducted. What conduction abnormality is present?

9. Which wave on an EKG represents atrial depolarization?

10. Normal sinus rhythm has a heart rate range of ____.

11. What is the normal PR interval duration on an EKG?

12. Which rhythm is characterized by a regular ventricular rate with visible sawtooth baseline and absent P waves?

13. The ST segment represents the period between ____ and the beginning of the T wave.

14. An EKG shows a wide QRS complex (>0.12 sec) at a regular rate of 140 bpm. What is the most likely rhythm?

15. A patient presents with a heart rate of 102 bpm, regular rhythm, and normal intervals. What is this rhythm?

16. Which of the following is a characteristic of atrial flutter?

17. The QRS complex duration should not exceed ____.

18. A rhythm strip shows irregular QRS complexes at rates of 120–160 bpm with no visible P waves. What is this rhythm?

19. Which interval represents ventricular repolarization?

20. A patient's heart rate is 58 bpm with regular rhythm and normal intervals. What is this rhythm?