Assertion: atrial fibrillation's stroke | /r/CapableOf | serve as marker
Facets:
value: for vascular mechanisms
type: PURPOSE
value: directly
type: MANNER
value: for other stroke risk factors
type: CAUSE
Source sentences:
text: However, studies of temporal relationships of stroke with AF, which have shown conflicting results, suggest that some strokes may not be caused by AF directly but rather serve as a marker for other stroke risk factors and vascular mechanisms with which AF is frequently associated.12,14,26