What are P waves heart?

Related questions

1. What happens at the P wave?
2. What does Pqrstu stand for in nursing?
3. What does S wave mean?
4. What do pathological Q waves look like?
5. What does Pqrst wave mean for the heart?
6. What happens during each wave of an ECG?
7. What the Pqrst waves represent on an ECG?
8. Why is Q wave negative in ECG?
9. What are the 4 phases of the cardiac cycle?
10. What does an ECG cycle represent?

Tags

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