What does the PR segment represent?

Related questions

1. Why does Mi cause ST elevation?
2. Can first degree AV block reversed?
3. How many mm of ST elevation is significant?
4. What does St interval represent?
5. Which is a characteristic of the ST segment?
6. What does the ST segment represent?
7. What is 1st degree AV block?
8. What would cause a prolonged PR interval?
9. What does ST segment elevation indicate?
10. What does ST segment elevation represent?

Tags

1. #ranges
2. #duration
3. #atrial
4. #depolarization
5. #complex
6. #represents
7. #termed
8. #period
9. #seconds
10. #beginning
11. #between
12. #normally
13. #onset
14. #ventricular
15. #which
16. #interval