Assertion: atrial fibrillation | /r/AtLocation | episode
Facets:
Source sentences:
text: Atrial fibrillation occurs in episodes, but the arrhythmia does not convert back to sinus rhythm spontaneously.
text: Atrial fibrillation occurs in episodes, but the arrhythmia does not convert back to sinus rhythm spontaneously.
text: In this second category, the atrial fibrillation occurs in episodes that fail to terminate within seven days.