Comprehensive EKG and Cardiac Rhythm Interpretation for Nursing Stu-
dents
Study online at https://quizlet.com/_jpqz09
1. What is depolarization in EKG terms? Depolarization is the process of the heart
muscle contracting.
2. What is repolarization in EKG terms? Repolarization is the process of the heart
muscle relaxing and refilling with blood.
3. What does the P-wave represent? The P-wave represents atrial depolarization.
4. What does the PR interval indicate? The PR interval is the time between atrial de-
polarization and ventricular depolarization.
5. What does the QRS interval represent? The QRS interval represents ventricular depo-
larization.
6. What does the T-wave indicate? The T-wave indicates ventricular repolariza-
tion.
7. What is the normal heart rate range for 60 to 100 bpm.
sinus rhythm?
8. What defines tachycardia? Tachycardia is a heart rate greater than 100
bpm.
9. What defines bradycardia? Bradycardia is a heart rate less than 60 bpm.
10. What is the normal duration of the PR in- 0.12 to 0.20 seconds.
terval?
11. What is the normal duration of the QRS Less than 0.12 seconds.
complex?
12. What is the normal duration of the QT Less than 0.40 seconds.
interval?
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, Comprehensive EKG and Cardiac Rhythm Interpretation for Nursing Students
Comprehensive EKG and Cardiac Rhythm Interpretation for Nursing Stu-
dents
Study online at https://quizlet.com/_jpqz09
13. How long is one small box on an EKG strip? 0.04 seconds.
14. How long is one large box on an EKG strip? 0.20 seconds.
15. How many large boxes are in one second 5 large boxes.
on an EKG strip?
16. Where should the white electrode be On the right side.
placed?
17. What does 'Smoke over Fire' refer to in It refers to placing the black electrode over the
electrode placement? red electrode.
18. What does 'Clouds over Grass' refer to in It refers to placing the green electrode over
electrode placement? the brown electrode.
19. What does a normal sinus rhythm look It looks like a regular rhythm with consistent
like? R-R intervals.
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