How does the QRS wave relate to heart function?

Related questions

1. What is cardiac depolarization and repolarization?
2. Where do P waves travel fastest?
3. Can angina kill you?
4. What does the P in P wave stand for?
5. What is a heart P wave?
6. What does it mean to have an inverted T wave?
7. Can Angina be detected on an ECG?
8. What causes ST and T wave abnormality?
9. What happens in the heart during the P wave?
10. Should I go to the hospital for angina?

Tags

1. #larger
2. #heart
3. #ejection
4. #contraction
5. #leaving
6. #blood
7. #called
8. #represents
9. #stimulates
10. #large
11. #ventricles
12. #arteries
13. #depolarization