What happens in the heart during QRS complex?

Related questions

1. What does the QRS interval represent?
2. What is QRS complex in ECG?
3. What does an EKG rule out?
4. Why is QRS complex largest?
5. What does a short QRS complex mean?
6. What causes wide QRS complexes?
7. What does sinus rhythm mean?
8. What is the normal QRS interval?
9. What is happening in the QRS complex?
10. Why is P wave smaller than QRS complex?

Tags

1. #larger
2. #ventricles
3. #blood
4. #before
5. #depolarization
6. #contract
7. #atria
8. #right
9. #repolarization
10. #happens
11. #comes
12. #represents
13. #called