ECG/EKG Practice Quiz (Identify Rhythms)

This ECG practice quiz is comprehensive and will test your knowledge on how to identify rhythms, treatments, and the nurse’s role.

Don’t forget to check out our complete ECG series that covers everything you need to know about EKG interpretation as a new nurse, as well as our comprehensive EKG rhythms video.

ECG/EKG Study Guide and Workbook for Nursing Students

“ECG/EKG Interpretation Study Guide and Workbook by Nurse Sarah”. This book contain 100 pages of content featuring 26 ECG rhythm break downs, 51 ECG rhythm analysis practice problems, 100 comprehensive ECG practice questions, worksheets, chart summaries, and more.

You can get an eBook version here: “Nurse Sarah ECG Book” or a physical copy here: “ECG/EKG Interpretation Study Guide by Nurse Sarah“.

ECG/EKG Practice Quiz (Identify Rhythms)

1. Select the options below that best describe the rhythm above:(Required)

A. Regular atrial rhythm

B. Irregular ventricular rhythm

C. PR Interval < 0.20 seconds

D. QRS complex > 0.12 seconds

E. Equal atrial and ventricular rate

F. Atrial rate > than ventricular rate

G. First-Degree Heart Block

H. Sinus bradycardia

I. Normal Sinus Rhythm

2. The nurse notes the rhythm above on the cardiac monitor. The nurse does a pulse check and a pulse is present. What next action by the nurse is most appropriate?(Required)

A. Continue to monitor

B. Prepare for the administration of Atropine

C. Start chest compressions

D. Activate the emergency response system

3. You obtain an ECG on a patient and the rhythm is sinus bradycardia with a rate of 52 bpm. Your NEXT nursing action is to?(Required)

A. Prepare to administer Atropine IV push

B. Set-up for transcutaneous pacing

C. Assess the patient

D. Call a rapid response

4. What is the rate of the rhythm above?(Required)

A. 60 bpm

B. 40 bpm

C. 50 bpm

D. 70 bpm

5. You're analyzing an ECG strip. In order for the rhythm to be identified as Sinus Tachycardia, what must be present in the rhythm? (Select all that apply):(Required)

A. One p wave present in front of every QRS complex

B. Atrial rate >100 bpm

C. Ventricular rate >100 bpm

D. Regular atrial rate and irregular ventricular rate

E. Regular atrial and ventricular rate

F. Atrial rate <60 bpm

G. QRS complex <0.12 seconds

H. PR interval 0.12-0.20 seconds

I. PR interval >0.20 seconds

6. True or False: The rhythm above is Sinus Tachycardia.(Required)

True

False

7. The patient is experiencing the rhythm above. The patient is presenting with a blood pressure of 70/42, mental status changes, and is clammy and pale. A pulse is present. The nurse preps the patient for?(Required)

A. CPR

B. Synchronized cardioversion

C. Defibrillation

D. Atropine IV

8. Select the options below that describe the rhythm above:(Required)

A. Monomorphic

B. Regular atrial rhythm

C. QRS complex >0.12 seconds

D. Irregular ventricular rhythm

E. Regular ventricular rhythm

F. Ventricular rate >100 bpm

G. Atrial rate >80 bpm

H. Polymorphic

I. Ventricular tachycardia

J. Ventricular fibrillation

9. The nurse sees the rhythm above on the ECG. The patient is unresponsive and has no pulse. The nurse calls a code blue and takes what step next?(Required)

A. Prepares for defibrillation

B. Administers Epinephrine

C. Starts high-quality CPR

D. Notifies the physician

10. You’re patient is in ventricular fibrillation (v-fib). You’ve started CPR and the airway is supported. A rhythm checked in performed and shows the patient is still in ventricular fibrillation. The NEXT action the code team will take in addition to performing high-quality CPR is to?(Required)

A. Administer Atropine

B. Defibrillate

C. Administer Epinephrine

D. Synchronized cardiovert

11. A hallmark finding in a First-Degree Heart Block is?

A. a gradually lengthening PR interval with a random dropped QRS complex

B. a PR interval >0.20 seconds

C. a constant PR interval with random dropped QRS complexes

D. independent p waves and QRS complexes

12. What medication below could cause a First-Degree Heart Block?(Required)

A. Lisinopril

B. Dilitiazem

C. Furosemide

D. Clopidogrel

13. Which rhythm above illustrates a Second-Degree type I (Mobitz I or Wenckebach) heart block?

Figure A

Figure B

14. True or False: A hallmark finding in a Second-Degree type I (Mobitz I or Wenckebach) heart block is that the PR interval will remain constant throughout the rhythm but there will be a dropped QRS complex after a p wave.(Required)

True

False

15. Which rhythm above is an ECG reading that represents a Second-Degree Type II Heart Block (Mobitz II)?(Required)

Rhythm 1

Rhythm 2

Rhythm 3

16. Which of the following is NOT a finding in a Second-Degree Type II heart block (Mobitz II) ECG reading?(Required)

A. Normal p waves with constant PR intervals

B. Missing QRS complexes

C. Progressively prolonged PR intervals

D. Regular atrial rhythm

17. Which rhythm above is a Third-Degree Heart Block?(Required)

Rhythm 1

Rhythm 2

Rhythm 3

Rhythm 4

18. TRUE or FALSE: A Third-Degree Heart Block is unlikely to cause symptoms in a patient and usually requires no treatment.(Required)

True

False

19. Fill-in-the-blank: Rhythm 1 is _________________ , and Rhythm 2 is _____________.(Required)

A. atrial fibrillation; atrial flutter

B. first-degree heart block; atrial flutter

C. atrial flutter; atrial fibrillation

D. atrial flutter; sinus bradycardia

20. Your patient's ECG shows atrial flutter. What complication can arise from this type of rhythm?(Required)

A. Pericarditis

B. Stroke

C. Hypoglycemia

D. Endocarditis

21. The patient's ECG shows the rhythm above. The patient is symptomatic and experiencing shortness of breath and chest pain. The patient's blood pressure in 80/44 with the heart rate fluctuating between 130-150s. The nurse calls a rapid response and prepares the patient for?(Required)

A. Ablation

B. Synchronized cardioversion

C. Defibrillation

D. Pacemaker implantation

22. Which rhythm above is atrial fibrillation?(Required)

Rhythm 1

Rhythm 2

Rhythm 3

Rhythm 4

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