Can you have a heart attack without knowing it?

Related questions

1. How dangerous is a lung biopsy?
2. How much does a lung CT scan cost?
3. What happens to your body when you have lung cancer?
4. Is a lung cancer cough dry or wet?
5. Can you survive stage 1 lung cancer?
6. How long can you live with lung cancer?
7. Why would a doctor order a CT scan of the lungs?
8. Can you get CT scan results immediately?
9. Can lung cancer be mistaken for pneumonia?
10. Would I know if I had a heart attack?

Tags

1. #chest
2. #breath
3. #happen
4. #obvious
5. #sweats
6. #person
7. #silent
8. #heart
9. #referred
10. #oxygen
11. #medically
12. #without
13. #always
14. #ischemia
15. #shortness
16. #actually
17. #attack
18. #called
19. #knowing
20. #symptoms
21. #muscle