| KQ1, KQ2, KQ3, KQ6 | |
| #1 | All (atrial fibrillation OR afib OR atrial flutter) |
| #3 | All (stroke OR thromboembolism OR thromboembolic OR "brain ischemia" OR “brain ischaemia” OR (transient AND (ischemic OR ischaemic) AND attack) OR TIA OR hemorrhage OR hemorrhaging OR bleeding OR bleed OR hemorrhagic OR haemorrhage OR haemorrhaging OR haemorrhagic) |
| #4 | #1 AND #2 AND #3 |
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