UCLA EKG Test Exam || 2026 (Actual Exam) Questions with verified Answers | FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED SOLUTIONS @ 2026

UCLA EKG Test

1. AV node rate 40-60 bpm

2. SA node rate 60-100 bpm

3. Purkinje fibers rate 20-40 bpm

4. PR interval is from _ to _? beginning of P wave to beginning of Q wave

5. QRS interval is from _ to _? beginning of Q to end of S

6. QT interval is from _ to _? beginning of Q to end of T

7. PR interval normal duration 0.12-0.20 s

8. QRS normal duration 0.04-0.12 s

9. QT interval normal duration 0.36-0.44

10. Normal Sinus Rhythm (NSR)




11. Cause and treatment for NSR? N/A
None

12. Sinus Bradycardia

13. Cause and treatment for sinus Normal for athletes
brady? None if not symptomatic; atropine if symptomatic

14. Sinus tachycardia

15. Cause and treatment for sinus tachy?
1/5

, UCLA EKG Test

Anxiety
Treat the anxiety (have pt calm down)

16. NSR with 1 PAC

17. Cause and treatment for PACs? Anxiety
Monitor it

18. Atrial Fibrillation with ventricular re-
sponse of 80 (Afib)

19. Cause and treatment of Afib? MI
Amiodarone

20. Aflutter

21. Cause and treatment of aflutter? HTN
metropolol

22. SVT Rate > 150



23. Cause and treatment of SVT? Anxiety
Vagal stimulation

24. First Degree Heart Block

25. Cause and treatment of 1st degree Beta blockers
HB? Review meds, continue to monitor

26. Second degree HB, Type 1 Progressively lengthening PR intervals
1 dropped QRS complex



2/5