What causes nocturnal dyspnea?

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Tags

1. #people
2. #orthopnea
3. #always
4. #episodes
5. #breath
6. #causes
7. #caused
8. #heart
9. #congestive
10. #exertion
11. #nocturnal
12. #lying
13. #paroxysmal
14. #failure
15. #commonly
16. #usually
17. #shortness
18. #dyspnea