Atrial fibrillation
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What is atrial fibrillation?
Atrial fibrillation is the most common cardiac arrhythmia (abnormal heart rhythm) and involves the two upper chambers (atria) of the heart. Its name comes from the characteristic fibrillating or quivering of the heart muscles of the atria, instead of a normal coordinated contraction.
Common symptoms reported by people with atrial fibrillation
Treatments taken by people for atrial fibrillation

Let’s build this page together! When you share what it’s like to have atrial fibrillation through your profile, those stories and data appear here too.
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Compare treatments taken by people with atrial fibrillation

Let’s build this page together! When you share what it’s like to have atrial fibrillation through your profile, those stories and data appear here too.
Got a question about living with atrial fibrillation? Members in the forum might have the answers.
Who has atrial fibrillation on PatientsLikeMe?
- 0 new patients joined this month
- 764 say atrial fibrillation is their primary condition
| Age | Proportion | # of patients |
|---|---|---|
| <20 | 0 | |
| 20s | 45 | |
| 30s | 132 | |
| 40s | 98 | |
| 50s | 112 | |
| 60s | 111 | |
| 70+ | 331 |
| Age at first symptom | Proportion | # of patients |
|---|---|---|
| 0-19 years | 45 | |
| 20-29 years | 38 | |
| 30-39 years | 29 | |
| 40-49 years | 41 | |
| 50-59 years | 39 | |
| 60-69 years | 39 | |
| 70+ years | 31 |
Distribution of sex
| Sex | Proportion | # of patients |
|---|---|---|
| Male | 654 | |
| Female | 868 |
| Diagnosis status | Proportion | # of patients |
|---|---|---|
| Diagnosed | 738 | |
| Not Diagnosed | 20 |