What is a heart P wave?

Related questions

1. Where do P waves travel fastest?
2. Is ST depression a heart attack?
3. What causes a QRS wave?
4. What triggers angina?
5. What causes ST and T wave abnormality?
6. How does the QRS wave relate to heart function?
7. What is a normal QRS complex?
8. What does the P in P wave stand for?
9. What is cardiac depolarization and repolarization?
10. What is ventricular depolarization and repolarization?

Tags

1. #gravity
2. #ventricles
3. #atrial
4. #blood
5. #through
6. #mainly
7. #depolarisation
8. #caused
9. #suction
10. #represents
11. #expand
12. #between
13. #valves
14. #atria
15. #falls
16. #first