EKG & Heart Rhythm Disorders Key Concepts for Nursing | ECG Interpretation Study Guide & Exam Prep

EKG and Heart Rhythm Disorders Key Concepts for Nursing
EKG and Heart Rhythm Disorders: Key Concepts for Nursing
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1. What is an EKG? A test that records the electrical activity of the heart.

2. What does the P wave repre- Atrial depolarization (atria contract).
sent?

3. What does the QRS complex Ventricular depolarization (ventricles contract).
represent?

4. What does the T wave repre- Ventricular repolarization (ventricles relax).
sent?

5. What is a normal heart rate in 60-100 beats per minute.
Normal Sinus Rhythm (NSR)?

6. What is Normal Sinus Rhythm A normal heart rhythm with a regular rate of 60-100 bpm.
(NSR)?

7. What is bradycardia? A heart rate less than 60 beats per minute.

8. What are common symptoms Dizziness, fatigue, weakness, syncope, and low blood pressure.
of bradycardia?

9. What is the treatment for Pacemaker.
symptomatic bradycardia?

10. What is tachycardia? A heart rate greater than 100 beats per minute.

11. What are common causes of Exercise, pain, fever, anxiety, and dehydration.
sinus tachycardia?

12. What are vagal maneuvers? Techniques used to slow certain fast heart rhythms, such as
coughing or bearing down.

13. What is a pacemaker? A device that helps the heart maintain a normal heart rate.

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