Assertion: atrial fibrillation's episode | /r/CapableOf | stop without treatment
Facets:
value: spontaneously
type: MANNER
value: suddenly
type: MANNER
Source sentences:
text: Episodes stop without treatment.
text: Each episode comes on suddenly but will also stop suddenly without treatment within seven days (usually within two days).
text: Paroxysmal AF: short, intermittent episodes of AF which start and stop spontaneously without treatment, but can last for several hours or even days.