What does an upside down T wave mean?

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Tags

1. #usually
2. #amplitude
3. #precordial
4. #direction
5. #inverted
6. #abnormally
7. #labile
8. #except
9. #introduction
10. #conditions
11. #including
12. #below
13. #leads
14. #changes
15. #normal
16. #waves
17. #result
18. #cardiac
19. #right