Why is P wave smaller than QRS complex?

Related questions

1. What causes wide QRS complexes?
2. What happens in the heart during QRS complex?
3. What does sinus rhythm mean?
4. What does the QRS interval represent?
5. What is QRS complex in ECG?
6. What does a short QRS complex mean?
7. What is the normal QRS interval?
8. What is normal QT interval range?
9. What does an EKG rule out?
10. How is narrow complex tachycardia treated?

Tags

1. #atrial
2. #which
3. #ventricles
4. #because
5. #spreads
6. #corresponds
7. #ventricular
8. #complex
9. #atria
10. #through
11. #smaller
12. #represents
13. #depolarization
14. #muscle
15. #impulse