Assertion: atrial fibrillation's episode | /r/CapableOf | last up to seven days
Facets:
Source sentences:
text: Although people in this category have episodes lasting up to seven days, in most cases of paroxysmal AF, the episodes will stop in less than 24 hours.
text: If the episode lasts for more than seven days, it is unlikely to stop on its own and is then known as persistent AF.