What causes a QRS wave?

Related questions

1. What does it mean to have an inverted T wave?
2. What is cardiac depolarization and repolarization?
3. Why is P wave positive?
4. How does the QRS wave relate to heart function?
5. What does the P in P wave stand for?
6. Is ST depression a heart attack?
7. What is ventricular depolarization and repolarization?
8. What is a normal QRS complex?
9. Can Angina be detected on an ECG?
10. Where do P waves travel fastest?

Tags

1. #pattern
2. #include
3. #ventricular
4. #ruled
5. #causes
6. #hyperkalemia
7. #complex
8. #there
9. #pacemaker
10. #white
11. #preexcitation
12. #because
13. #parkinson
14. #right
15. #widened
16. #associated
17. #rhythm
18. #every