| Patterns of Atrial Fibrillation |
| Newly diagnosed AF |
|---|
| AF is first detected. |
| Paroxysmal |
| AF is self-terminating within 7 days of recognized onset. |
| Persistent |
|---|
| AF is not self-terminating within 7 days or is terminated electrically or pharmacologically. |
| Permanent |
|---|
| AF in which cardioversion has failed or in which clinical judgment has led to a decision not to pursue cardioversion. |