Why are Q and S waves negative?

Related questions

1. How long does tachycardia last?
2. What is the Pqrst wave?
3. How long does ventricular tachycardia last?
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5. What triggers tachycardia?
6. What is the treatment for wide complex tachycardia?
7. Does adenosine actually stop the heart?
8. When should you not take adenosine?
9. What does Pqrst stand for?
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Tags

1. #depolarization
2. #electrocardiogram
3. #technically
4. #deflection
5. #question
6. #projects
7. #initially
8. #direction
9. #definition
10. #forces
11. #early
12. #complex
13. #toward
14. #electrical
15. #indicates
16. #ventricular
17. #negative